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ELECTRICIAN, NSQF (LEVEL - 5), , 1st Year (Volume I of II), ASSIGNMENT/ TEST, SECTOR: Electrical, , DIRECTORATE GENERAL OF TRAINING, MINISTRY OF SKILL DEVELOPMENT & ENTREPRENEURSHIP, GOVERNMENT OF INDIA, , NATIONAL INSTRUCTIONAL, MEDIA INSTITUTE, CHENNAI, Post Box No. 3142, CTI Campus, Guindy, Chennai - 600 032, , Copyright Free under CC BY Licence

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Sector : Electrical, Duration : 2 - Years, Trades, , : Electrician 1st Year (Volume I of II) - Assignment/ Test NSQF (Level - 5), , First Edition : September, 2018, First Edition : January, 2019, , Copies : 1,000, Copies : 3,000, , Rs. 155/-, , All rights reserved., No part of this publication can be reproduced or transmitted in any form or by any means, electronic or mechanical, including, photocopy, recording or any information storage and retrieval system, without permission in writing from the National, Instructional Media Institute, Chennai., , Published by:, NATIONAL INSTRUCTIONAL MEDIA INSTITUTE, P. B. No.3142, CTI Campus, Guindy Industrial Estate,, Guindy, Chennai - 600 032., Phone : 044 - 2250 0248, 2250 0657, 2250 2421, Fax : 91 - 44 - 2250 0791, email : [email protected], [email protected], Website: www.nimi.gov.in, (ii), , Copyright Free under CC BY Licence

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FOREWORD, The Government of India has set an ambitious target of imparting skills to 30 crores people, one out of every, four Indians, by 2020 to help them secure jobs as part of the National Skills Development Policy. Industrial, Training Institutes (ITIs) play a vital role in this process especially in terms of providing skilled manpower., Keeping this in mind, and for providing the current industry relevant skill training to Trainees, ITI syllabus, has been recently updated with the help of Mentor Councils comprising of various stakeholder's viz. Industries,, Entrepreneurs, Academicians and representatives from ITIs., National Instructional Media Institute (NIMI), Chennai has come up with instructional material to suit, the revised curriculum for Electrician 1st Year (Volume I of II) Assignment/ Test NSQF Level - 5 in, Electrical sector under Semester Pattern required for ITIs and related institutions imparting skill, development. The NSQF Level 5 will help the trainees to get an international equivalency standard, where their skill proficiency and competency will be duly recognized across the globe and this will also, increase the scope of recognition of prior learning. NSQF level 5 trainees will also get the opportunities to, promote life long learning and skill development. I have no doubt that with NSQF level 5 the trainers and, trainees of ITIs, and all stakeholders will derive maximum benefits from these IMPs and that NIMI's effort, will go a long way in improving the quality of Vocational training in the country., The Executive Director & Staff of NIMI and members of Media Development Committee deserve appreciation, for their contribution in bringing out this publication., Jai Hind, , RAJESH AGGARWAL, , Director General / Addl. Secretary,, Ministry of Skill Development & Entrepreneurship,, Government of India., , New Delhi - 110 001, , (iii), , Copyright Free under CC BY Licence

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PREFACE, The National Instructional Media Institute (NIMI) was established in 1986 at Chennai by then Directorate, General of Employment and Training (D.G.E & T), Ministry of Labour and Employment, (now under Directorate, General of Training, Ministry of Skill Development and Entrepreneurship) Government of India, with technical, assistance from the Govt. of the Federal Republic of Germany. The prime objective of this institute is to, develop and provide instructional materials for various trades as per the prescribed syllabi NSQF (Level 5), under the Craftsman and Apprenticeship Training Schemes., The instructional materials are created keeping in mind, the main objective of Vocational Training under, NCVT/NAC in India, which is to help an individual to master skills to do a job. The instructional materials are, generated in the form of Instructional Media Packages (IMPs). An IMP consists of Theory book, Practical, book, Test and Assignment book, Instructor Guide, Audio Visual Aid (Wall charts and Transparencies) and, other support materials., The trade theory book provides related theoretical knowledge required to enable the trainee to do a job. The, test and assignments will enable the instructor to give assignments for the evaluation of the performance of, a trainee. The wall charts and transparencies are unique, as they not only help the instructor to effectively, present a topic but also help him to assess the trainee's understanding. The instructor guide enables the, instructor to plan his schedule of instruction, plan the raw material requirements, day to day lessons and, demonstrations., IMPs also deals with the complex skills required to be developed for effective team work. Necessary care, has also been taken to include important skill areas of allied trades as prescribed in the syllabus., The availability of a complete Instructional Media Package (IMF) in an institute helps both the trainer and, management to impart effective training., The IMPs are the outcome of collective efforts of the staff members of NIMI and the members of the Media, Development Committees specially drawn from Public and Private sector industries, various training institutes, under the Directorate General of Training (DGT), Government and Private ITIs., NIMI would like to take this opportunity to convey sincere thanks to the Directors of Employment & Training, of various State Governments, Training Departments of Industries both in the Public and Private sectors,, Officers of DGT and DGT field institutes, proof readers, individual media developers and coordinators, but for, whose active support NIMI would not have been able to bring out this materials., , R. P. DHINGRA, EXECUTIVE DIRECTOR, , Chennai - 600 032, , (iv), , Copyright Free under CC BY Licence

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ACKNOWLEDGEMENT, National Instructional Media Institute (NIMI) sincerely acknowledges with thanks for the co-operation and contribution, extended by the following Media Developers and their sponsoring organisation to bring out this IMP (Assignment/, Test) for the trade of 1st Year (Volume I of II) Electrician NSQF Level - 5 under Electrical Sector for, Craftsman Training Scheme., MEDIA DEVELOPMENT COMMITTEE MEMBERS, Shri. N. Senthilkumar, , -, , Vocational Instructor,, ATI, Guindy, Chennai, , Shri. T. Muthu, , -, , Principal (Retd.),, Govt. ITI (W),, Madurai, Tamil Nadu, , Shri. C.C. Jose, , -, , Training Officer (Retd.),, ATI, Guindy,, Chennai, , Shri. K. Lakshmanan, , -, , Assistant Training Officer (Retd.),, Govt. ITI, Ambattur, Chennai, , NIMI CO-ORDINATOR'S, Shri. K. Srinivasa Rao, , -, , Joint Director, NIMI, Chennai-32., , Shri. Subhankar Bhowmik, , -, , Assistant Manager,, NIMI, Chennai-32., , NIMI records its appreciation of the Data Entry, CAD, DTP Operators for their excellent and devoted services in, the process of development of this Instructional Material., NIMI also acknowledges with thanks, the invaluable efforts rendered by all other staff who have contributed for the, development of this Instructional Material., NIMI is grateful to all others who have directly or indirectly helped in developing this IMP., , (v), , Copyright Free under CC BY Licence

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INTRODUCTION, ASSIGNMENT/TESTS, This contains Assignment/Test concerning to the trade theory topic of each exercises of the, 1st Year (Volume I of II) Electrician NSQF Level-5 Trade under Electrical Sector. It may be noted that the, assignments have direct relationship with the knowledge objectives given in the manual on Trade Practical, and also with the contents presented in the manual on Trade Theory. The results of the assignments/tests, indicate how far the objectives which are predetermined have been achieved by the learners., TRADE PRACTICAL, The trade practical manual is intented to be used in workshop . It consists of a series of practical exercies to, be completed by the trainees during the 1st Year (Volume I of II) NSQF Level-5 course of the, Electrician trade supplemented and supported by instructions/ informations to assist in performing the, exercises. These exercises are designed to ensure that all the skills in the prescribed syllabus are, covered., The manual is divided into six modules. The distribution of time for the practical in the six modules are given, below., Module 1: Safety Practice and Hand Tools, 14 Exercises, 75 Hrs, Module 2: Basic Workshop Practice (Allied Trade), , 09 Exercises, , 100 Hrs, , Module 3: Wires, Joints - Soldering - U.G. Cables, , 10 Exercises, , 125 Hrs, , Module 4: Basic Electrical Practice, , 11 Exercises, , 75 Hrs, , Module 5: Magnetism and Capacitors, , 08 Exercises, , 50 Hrs, , Module 6: AC Circuits, , 12 Exercises, , 100 Hrs, , 64 Exercises, , 525 Hrs, , Total, , The skill training in the shop floor is planned through a series of practical exercises centred around some, practical project. However, there are few instance where the individual exercise does not form a part of project., While developing the practical manual a sincere effort was made to prepare each exercise which will be easy, to understand and carry out even by below average traninee. However the development team accept that there, if a scope for further improvement. NIMI, looks forward to the suggestions from the experienced training faculty, for improving the manual., TRADE THEORY, The manual of trade theory consists of theoretical information for the 1st Year (Volume I of II), Electrician NSQF Level-5 Trade. The contents are sequenced according to the practical exercise, contained in the manual on Trade practical. Attempt has been made to relate the theortical aspects with the, skill covered in each exercise to the extent possible. This co-relation is maintained to help the trainees, to develope the perceptional capabilities for performing the skills., The Trade theory has to be taught and learnt along with the corresponding exercise contained in the manual, on trade practical. The indicating about the corresponding practical exercise are given in every sheet of this, manual., It will be preferable to teach/learn the trade theory connected to each exercise atleast one class before, performing the related skills in the shop floor. The trade theory is to be treated as an integrated part of each, exercise., The material is not the purpose of self learning and should be considered as supplementary to class room, instruction., (vi), , Copyright Free under CC BY Licence

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CONTENTS, Module No., , Module Title, , Test for Exercises, , Page, , 1, , Safety Practice and Hand Tools, , 1.1.01 - 1.1.14, , 1 - 20, , 2, , Basic Workshop Practice (Allied Trade), , 1.2.15 - 1.2.23, , 21 - 45, , 3, , Wires, Joints - Soldering - U.G. Cables, , 1.3.24 - 1.3.33, , 46 - 62, , 4, , Basic Electrical Practice, , 1.4.34 - 1.4.44, , 63 - 77, , 5, , Magnetism and Capacitors, , 1.5.45 - 1.5.52, , 78 - 87, , 6, , AC Circuits, , 1.6.53 - 1.6.64, , 88 - 102, , -, , Response Sheet, , -, , (vii), , Copyright Free under CC BY Licence, , 103 - 122

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Module - 1, Safety Practice and Hand Tools, ASSESSMENT CRITERIA, On completion of this module you shall be able to complete the following, assessment criteria, • Identify and take necessary precautions on fire safety hazards and, report according to site policy and procedures, • Report supervisor/competent authority in the event of accident or, sickness of any staff and record accident details correctly according, to site accident/injury procedures, • Identify Personal Productive Equipment (PPE) and use the same as, per related working environment, • Identify basic first aid and use them under different circumstances, • Identify different fire extinguisher and use the same as per, requirement, • Avoid waste and dispose waste as per procedure, • Identify the trade tools; practice their uses with safety, care and, maintenance., , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.1.01, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 1 What is the full form of ITI?, A Indian Training Institute, , 7 What immediate action to be taken, when a person, gets injured by the rotating machine to avoid further, damage?, , B Indian Technical Institute, , A Switching OFF the supply, , C Industrial Training Institute, , B Giving him first aid treatment, , D Industrial Technical Institute, , C Take away the victim from the machine, , 2 What is the expansion of NCVT?, A National Council for Vocational Training, B National Committee of Vocational Trust, , D Arranging to send the victim for treatment, 8 Who should know the area of the switch control to, ‘switch OFF’ in emergency at workishop?, , C National Curriculam for Vocational Training, , A Workshop foreman, , D National Conference for Vocational Training, , B Workshop in charge, , 3 Which central government ministry governs ITIs?, A Ministry of Education, B Labour and Employment, , C Every person in the workshop, D Electrical maintenance in charge, 9 Which device controls the total wiring in a workshop?, , C Human Resource Development, , A One cut out fuse unit, , D Skill Development and Entrepreneurship, , B Only one main switch, , 4 Who is the head of the Industrial Training Institute?, A Principal, , C Only one distribution switch, D One or more sub main switch, , B Head master, , 10 Which one is the submain switch?, , C General manager, D Administrative officer, 5 On what basis, the trades for apprentice training are, indentified?, A Requirement of industrial needs, B According to the choice of trainees, C Decision of the head of the institute, D Availability of skilled labour vacancies, , A 1, B 2, , 6 An unexpected occurance which requires immediate, action is called....., , C 3, D 4, , A Accident, B Casuality, , 11 What is the Knob’s position of iron clad switch and, MCB (Miniature Circuit Breaker) during ‘OFF’ condition?, , C Emergency, D First aid treatment, , A Centre, B Upward, C Downward, D Horizontal, , 1, , Copyright Free under CC BY Licence

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12 Why the main switch, submain switches, and DBs, must have clear marking?, A To trace the internal circuit easily, B To take tappings or extension controls, C To show and identify the area of control, , 15 What is NCO - 2015 code for electrician general?, A 7411.0010, B 7411.0100, C 7412.0020, D 7412.0200, , D To make good apperance of control panel, 16 What is the NCO - 2015 code for electrical fitter?, 13 How the emergency situations occurring in home can, be handled safely at once?, A Calling the neighbours to help, B Reporting to the EB - authories, C By moving away from the house immediatly, D By educating the inmates of house to switch ‘OFF’, the circuit, 14 What is the full form of NCO?, A National Curriculam on line, B National Council for Occupation, C National Committee of Occupation, , A 7412.0200, B 7412.0020, C 7411.0100, D 7411.0010, 17 Which is the self employment opportunities for, electrician?, A Contractor for Domestic wiring, B Electrician in local Eletricity Board, C Winder of electrical motors in winding shop, D Assembler in the domestic appliances, manufacturing company, , D National Classification of Occupation, 18 Who is eligible to obtain wireman ‘B’ licence from the, state licence authorities?, A Diploma holders in electrical branch, B Electrician having ITI passed certificate, C Engineering graduate in electrical branch, D Electrician and wireman having ITI passed certificate, , 2, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.01, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.1.02 & 1.1.03, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 1 Safe working habits always save..., A Men, money and material, B Material, mind and accessories, C Main switch, product and work place, D Machine, money and manufacturing product, , 7 What is the effect of electric shock with excessive level, of current flow?, A Will experience severe pain, B May loose consciousness and may lead to fatality, C May cause minor burns at the point of contact, D Cause one to loose his balance and fall, , 2 Electrician should remember the famous proverb of, electricity is..., A our friend, , 8 What is the first aid treartment to remove the pain from, the burns due to electric shock?, A Send for the medical treatment, , B not our friend, C the good servant of customer, D a good servant but a bad master, 3 What action to be taken before replacing (or) removing, the fuses?, A Switch OFF the circuit switches, , B Apply ointment to the burnt area, C Make the patient lie down and take rest, D Clean with water, cover with paper or clean cloth, 9 The immediate action to stop the severe bleeding is, to..., , B Check for rated supply by test lamp, , A apply pressure to the wound, , C Select the correct rating of fuse wire, , B send him for medical treatment, , D Remove the fuse carrier immediately, , C wash the bleeding area by cooling water, , 4 What will happen to the loosely connected cables in, the electrical apparatus?, A The apparatus will not operate, B More length of wires will be required, C It will heat up and end in fire hazards, D It will make humming noise in apparatus, , D wrap bandage dressing on the bleeding area, 10 What is the first aid treatment for large wound?, A Apply pressure on the wound, B Apply ointment over the wound, C Apply clean pad and bandage firmly, D Keep the patient bending over the wound, , 5 Why the water should not be used on the electrical, equipment?, , 11 The first aid treatment to control severe bleeding is to..., , A User will get electric shock, , A send for medical treatment, , B It will consume more energy, , B apply a clean pad and bandage firmly, , C It will damage the equipment, , C squeeze together the sides of the wound, , D It will reduce the life of the equipment, , D keep the patient lie down and bending over the, wound, , 6 What is the prime reasons for severe electric shock?, A Using excess rating of fuse, , 12 What action to be taken to an abnormal wound to stop, the bleeding due to falling on a sharp tool?, , B Execution of electric work without planning, , A Apply a clean pad and bandage, , C Wrong connection and not using correct pad, , B Apply the pressure to the wound, , D The magnitude of current and duration of contact, , C Make the patient to lie down and rest, D Keep the patient bending over the wound, , 3, , Copyright Free under CC BY Licence

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13 What does the symbol of road sign represent?, , 18 In traffic light signal, green arrow means....., A stop at the stop line, B you may go on if the way is clear, C you may go on the direction shown by the arrow, D stop wait behind the stop line on the carriage way, 19 In traffic light signal, Amber light means....., A stop at the stop line, , A Stop, , B you may go on if the way is clear, , B Give way, , C wait behind the stop line on the carriage way, , C Take ‘U’ turn, , D stop at the stop line and if the way is clear proceed, with caution, , D Overtaking prohibited, 14 The example of mandatory road sign is....., , 20 Which factor is responsible for collision?, A Traffic signal, , A keep left, , B Pedestrain line, , B pedestrain crossing, , C Lack of skill of drivers, , C Overtaking prohibited, D advance direction sign, 15 The purpose of marking lines on road is to...., , D Trees on the side of road, 21 When moving vehicle approaching pedestrain crossing, line means.................., , A stop a vehicle coming from front, , A stop the vehicle approaching from behind, , B direct or warn to the moving vehicles, , B allow the vehicle to cross the dotted lines safely, , C stop a vehicle approaching from behind, , C be ready to slow down (or) stop to let people cross, , D not to overtake in the vicinity of pedestrain crossing, , D Do not overtake in the vicinity of pedestrian crossing, , 16 Which police signal represents to stop a vehicle, approaching from behind’?, , 22 Who is the responsibilities for safety in workshop?, A Employers only, B Employees only, C Security persons only, D Employer and employees, 23 Which is the responsibility of the employee in workshop, as per law?, , 17 Name the road sign, , A The working condition, B The equipment provided, C The way of using the equipment, D Checking and inspecting the records, 24 How many basic categories of safety signs are to be, followed?, , A guard, , A 2, , B school, , B 3, , C unguard, , C 4, , D pedestrian crossing, , 4, , D 5, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.02 & 1.1.03, , Copyright Free under CC BY Licence

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25 The responsibity of the employer to prevent accident, is...., A make use of training, B general attitude of safety, C engaging skilled and competant workers, , 30 Which is the shape of the warning sign symbol?, A Square, B Circular, C Triangular, D Rectangular, , D proper maintenance of plant and equipment, 26 Name of the basic safety sign...., , 31 Which category of safety sign is displayed in square, shape?, A Warning sign, B Mandatory sign, C Information sign, D Prohibition sign, 32 Which category of safety signs indicate that “It must, not be done”?, , A Warning signs, B Mandatory signs, C Prohibition signs, D Information signs, 27 Which type of safety sign is having circular shape with, white colour symbol on the blue back ground?, , A Warning sign, B Mandatory sign, C Information sign, D Prohibition sign, 33 Which one is the example for mandatory signs?, , A Warning signs, B Mandatory signs, C Prohibition signs, D Information signs, , A Laser beam, B Over head load, C Wear hand protection, D Risk of electric shock, , 28 What does the warning symbol figure represents?, 34 Which category of safety sign, will indicate toxic, hazard?, A Warning sign, B Mandatory sign, C Information sign, A Risk of fire, , D Prohibition sign, , B Toxic hazard, , 35 The information sign symbol is having the colour of..., , C Risk of explosion, D Risk of electric shock, 29 What is the meaning of mandatory sign..., A It shows what must be done, B It warns of hazard (or) danger, , A White symbol on blue back ground, B White symbol on green back ground, C Yellow back ground into black border and symbol, D Red border and cross bar black symbol on white, back ground, , C It shows that it must not be done, D It indicates information of safety provision, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.02 & 1.1.03, , Copyright Free under CC BY Licence, , 5

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Electrical, Assignment for Exercise 1.1.04 & 1.1.05, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 1 Which factor is the cause for fire?, , 8 The fire on electrical equipment is the example for..., , A Nature, , A Class ‘A’ fire, , B Oxygen, , B Class ‘B’ fire, , C Attitude, , C Class ‘C’ fire, , D Atmosphere, , D Class ‘D’ fire, , 2 Fire can be prevented by...., A keeping the fuel near the fire, B pouring chemical liquid in the fire, C increasing the temperature of the materials, D eliminating anyone of the cause factors for the fire, , 9 Which method of extinguishing of fire is suitable for, the fire on flammable liquids?, A Cooling, B Starving, C Covering, D Smothering, , 3 What is the meaning of extinguishing fire?, A Adding of the fuel to the existing fire, B Pouring the chemical liquid in the fire, C Increasing the temperature from the fire, D Removing any one of the cause factors for the fire, , 10 Which type of fire is having risk of explosion and sudden, outbreak?, A Fire on wood, B Fire on cloth, C Fire on metals, D Fire on liquid gas, , 4 What is starving of fire?, A Adding the fuel element to the fire, B Removing the fuel element from the fire, C Isolating the supply of oxygen from fire, D Lowering the temperature of fire by using water, 5 Which is the cause for fire in electrical equipment?, A Less than the rated voltage, B Damage in insulation of cables, , 11 What is the purpose of extinguishing agent material?, A To put out the fire, B It reduces the heat of fire, C It increases the heat of fire, D To protect the fire extinguisher, 12 What will happen if the wrong extinguishing agent is, used?, , C Open in earth continuity conductor, , A It will increase the heat of fire, , D Open circuit in electrical installation, , B It blocks the spraying action in extinguisher, , 6 Which one is the example for the class ‘A’ fire?, , C It leads to make the fire area to worse situation, D It will not make any harm in normal condition, , A Fire on metals, , 13 What is the correct method of preventing the fire at, once?, , B Fire on the paper, C Fire on liquified gas, D Fire on flammable liquids, , A Reporting to local fire authorities, B Covering with soaked oil clothes, , 7 In which classification fire, the fire on the liquified gas, will belong?, A Class ‘A’ fire, , C Following simple common sense rules, D Select and use any fire extinguisher, , B Class ‘B’ fire, C Class ‘C’ fire, D Class ‘D’ fire, 6, , Copyright Free under CC BY Licence

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14 How can the fire as wood (or) clothes can be, extinguished by using water?, , 19 Which type of fire extingusher is illustrated?, , A It can be passed to the middle of the fire, B It can be passed around the fire first and then to, middle, C It must be sprayed on the top of the fire and then to, its base, D It must be sprayed on the base of the fire and, gradually move upwards, 15 Which type of fire extinguisher is suitable for the fire on, the electrical equipment?, A Foam fire extinguisher, B Halon fire extinguisher, C Liquid fire extinguisher, D Water filled extinguisher, 16 Which type of fire extinguisher should not be used for, fire in electrical equipment?, , A Foam type, B Halon type, C Dry powder type, D Carbon - di - oxide type, 20 Which one is filled in Halon fire extinguesher?, A Water, B Dry powder, , A Foam type, , C Carbon - di - oxide, , B Halon type, , D Bromo Chlorodifluoro methane (BCF), , C Dry powder type, D Carbon - di - oxide type, 17 The foam type fire extinguisher is most suitable for..., A the fire on clothes, B the fire on metals, C the fire on flammable liquid, D the fire on electrical equipment, 18 CTC stand for.., , 21 For which type of fire, the foam fire extingisher is most, suitable?, A Class ‘A’ fires, B Class ‘B’ fires, C Class ‘C’ fires, D Class ‘D’ fires, 22 Which class of fire can be effectively extinguished by, using water?, A Class ‘A’ fire, , A Carbon Tetra Calcium, B Carbon Tetra Chloride, C Calcium Tetra Chloride, , B Class ‘B’ fire, C Class ‘C’ fire, D Class ‘D’ fire, , D Carbon Toxic Chloride, 23 What is the immediate step to be taken in the event of, a fire?, A Alert people surrounding by shouting fire, B Inform the fire service (or) arrange to inform, C Close the doors and windows, but not lock them, D Identify the type of fire and use the fire extinguisher, accordingly, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.04 & 1.1.05, , Copyright Free under CC BY Licence, , 7

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24 In order to remember the simple operation of the, extinguisher, which simple abbreviation must be kept, in mind?, , 28 Which step is illustrated in Fig. While using the fire, extinguisher?, , A SAPS, B PASS, C ASPS, D SPAS, 25 Which is the correct ‘PASS’ sequence operation of the, extinguisher?, A Pull Aim Squeeze Sweep, B Pull Aim Sweep Squeeze, C Push Arrange Sweep Squeeze, D Push Arrange Squeeze Sweep, 26 Which operation of squeeze in the extinguisher is, illustrated?, , A Break the seal, B Pull the safety pin from the handle, C Aim the extinguisher hose at the base of fire, D Squeeze the handle lever slowly to discharge the, agent, 29 What you have to do immediately if the fire does not, respond well, after you have used of the fire extinguisher?, A Report it to your supervisor, B Move away yourself from the fire point, C Arrange more member of man power to put-off, D Pull off the fire by using another extinguisher again, and again, , A Squeeze the handle lower slowly, B Pull the safety pin feom the handle, C Aim the extinguisher nozzle at the base of the fire, D Sweep side to side approximately 15 cm over the, fuel, 27 What is the first step to be done after locating and, picking up the valid expiry date in fire extinguisher?, , 30 What will happen to the fire man, if he will change the, operation sequence order PASS?, A Fire extinguisher will not function, B Fire may be spreaded around the place, C Fire extinguisher get exploded and damage, D Fire may spread over the body of fire authority, 31 What is 3rd step of the sequence order of PASS?, A Aim, , A Break the seal, , B Pull, , B Aim the extinguisher nozzle, , C Sweep, , C Squeeze the handle lever slowly, , D Squeeze, , D Pull the safety pin from the handle, , 32 Which type of fire extinguisher is suitable for the fire on, flammable liquifiable solids?, A Halon type extinguisher, B Foam type extinguisher, C Dry powder type extinguisher, D Carbon - di - oxide fire extinguisher, 33 In fire extinguisher, where the safety pin is located?, A At the top of the extinguisher, B Between the nozzle and handle, C At the bottom of the extinguisher, D At the left hand side of the extinguisher, , 8, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.04 & 1.1.05, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.1.06 & 1.1.07, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 1 What immediate action to be taken when a person get, electric shock?, , 7 CPR stands for....., A Cardio Pulse Recorder, , A Report to your authority, , B Common Pulse respirator, , B Call for the doctor for medical treatment, , C Cardio Pulmonary Resuscitation, , C Call other persons for help to rescue the victim, , D Compulsory Pursuit Resuscitation, , D Switch ‘OFF’ the power supply (or) disconnect the, supply, 2 If the electric shocked victim is unconscious but is, breathing, what immediate action to be taken?, , 8 Which period is referred as golden period?, A 30 minutes after the breathing stopped, B The first 30 minutes before dying period, , A Report to your higher officials, , C The period of dying at once after first aid, , B Send him to doctor without first aid treatment, , D The time within which the victim reaches the hospital, , C Call other persons to take away from the place, D Loosen the clothing about the neck, chest and waist, 3 What you mean by the word first aid?, , 9 Which organisation is giving first aid training?, A Yellow pages, B Red cross society, , A It is the emergency medical treatment, , C Blue cross society, , B It is an immediate life saving procedure, , D White cross association, , C It is the process of systematic medical treatment, D It is the action to be done in first stage of any events, 4 The full form of ABC of first aid is...., A Aim Breeze Circulate, B Airway Bridge Circulation, C Airpath Breeze Circulation, , 10 What first aid treatment to be given for the wound before, applying the bandage?, A Send him to hospital, B Wash the wound with clean water, C Apply some ointment on the wound, D Wipe out the surrounding of the wound by cotton, clothes, , D Airway Breathing Circulation, 11 What is the emergency service number for Ambulance?, 5 What is the purpose of first aid training?, , A 100, , A To become a good first aider, , B 101, , B Gain more knowledge about first aid training, , C 108, , C To provide effective life saving first aid instruction, , D 111, , D To get certificate for attending the first aid training, 6 If breathing stops to the victim means he..., , 12 In which condition CPR treatment must be given to the, patient?, , A may die soon, , A If he is having injury on his chest, , B may be conscious, , B If he is breathing but not responding, , C will awake soon, , C If the patient does not have a pulse, , D is alive but sleeping, , D If the patient is in unconscious condition, , 9, , Copyright Free under CC BY Licence

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13 What is the first step, you have to take for reporting an, accident?, , 19 What first aid can be given immediately to the shocked, victim?, , A Report your location, , A Check the victim’s breathing conditions, , B Give your phone number, , B Keep good air circulation and comfort, , C Describe the nature of the emergency, , C Keep the patient warm and at mental rest, , D Determine the responsiveness of the victim, , D Seek urgent medical attention or send him to, hospital, , 14 In which condition the victim is referred as COMA, stage?, A Unconscious but can respond to calls, B Conscious but cannot respond to calls, C If the victim is breathing but cannot respond to calls, D When a person lie totally senseless and not acting, to response calls, 15 What is the cause, for the interruption of normal activity, of the brain?, A Severe headache, , 20 What immediate action must be taken if the victim is, still in contact with supply?, A Call any one to help you to rescue him, B Inform your authority about this accident, C Break the contact by switching ‘OFF’ the power, D Pull (or) push him from the contact by hand (or), body, 21 How will you rescue the electric shocked victim if you, are not able to switch ‘OFF’ the power?, A Pullout by using insulating material, , B Rapid heart beat, , B Call somebody to switch ‘OFF’ the main, , C Weakness of body, D Very low (or) high blood pressure, , C Insulate the victim and then push (or) pull him, D Report this accident to your immediate authority, , 16 What symptom may occur after a person become, unconscious?, A No headache, , 22 What is the first aid treatment to be given to the electric, shocked victim with electric burns?, A Wash the burns area with clean water, , B Slow heart beat, , B Send him to doctor without giving first aid, , C Inability to speak, D Able to respond to calls, , C Cover the burns with a clean and gentle dressing, D Apply some ointment on the electric burns area, , 17 What immediate treatment to be given for the patient, having faintness due to low blood sugar?, A Do not give him anything to eat, B Call any one to take him to doctor, C Give him some hot eatable things to eat, D Give him something sweet to eat (or) drink, , 23 What treatment is recommended, if the victim is having, large area burns with severe pain?, A Send him to doctor, B Any treatment will not be given, C Apply pressure around the wound area, D Cover the large burns area with clean paper, , 18 How will you diagnose an unconscious injured person?, A By giving something to eat, B By looking his face appearance, C Checking for his response to calls, D By giving something sweet to eat (or) drink, , 24 What is the action to be taken to control the severe, bleeding?, A Apply clean pad and bandage firmly, B Wipe out the bleeding by the clothes, C Squeeze together the sides of the wound, D Apply some ointment on the bleeding area, , 10, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.06 & 1.1.07, , Copyright Free under CC BY Licence

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25 What immediate action to be taken, if the electric, shocked victim is unconscious but breathing?, , 28 How will you diagnose the victim is suffering under, cardiac arrest?, , A Place the victim in the recovery position, , A Get pain in his spinal guard, , B Call for help to shift the victim to safer place, , B Heavy sweating on his stomach, , C Proceed to give artifical respiration treatment, , C Appearance of blue colour round his lips, , D Loosen the clothing about the neck, chest and waist, , D His eyes will be closed tightly, can not open, , 26 Which artificial respiration method is to be performed, to the victim with injuries in the chest, belly and mouth?, , 29 What immediate action can be taken for a critical spinal, injury victim?, , A Schafer’s method, , A Move him to a comfortable safer place, , B Mouth to nose method, , B Place the victim in the recovery position, , C Mouth to mouth method, , C Apply some ointment on his back smoothly, , D Nelson’s arm lift back pressure method, , D Do not move the victim’s head, neck and back, , 27 For what condition of the victim, the mouth - to - nose, method can be applied?, A If the victim mouth is fully open, B When the victim has burns/injury in the back, C If the victim has injuries in the chest and belly, D When the victim’s mouth has a blockage of airway, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.06 & 1.1.07, , Copyright Free under CC BY Licence, , 11

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Electrical, Assignment for Exercise 1.1.08, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 6 Which one is the effect of open disposal of waste?, , 1 What is waste?, A The material which can be reused, , A Polluting the environment, , B The material which can not be consumed, , B Increases the usable land, , C The material produced to use in industries, , C Protects the residential area, , D By product, which is consumed by living organism, , D Decreases the spreading of disease, , 2 Which one is the example for urban waste?, A Coolant, , 7 Which waste is used as a fuel for the Bio-gas power, plant?, A Chemical waste, , B Oily waste, , B Argicultural waste, , C Broken glass, , C Waste produced from the water source, , D Chemical solvent, , D Waste produced by the men and animal, 3 Which one is the example for liquid waste?, 8 Which disposal method of waste will save lot of energy?, , A Cans, , A Land fill, , B Bottles, , B Recycling, , C Coolant, , C Incineration, , D Polythene bags, , D Composting, 4 Which is the example for electrical waste?, 9 Which waste material can be reused?, , A Fly ashes, , A Waste gas, , B Metal chips, , B Plastic tubs, , C Plastic containers, D Damaged accessories, , C Food scraps, D Garbage waste, , 5 Which waste is a most common domestic waste?, A Pipes, , 10 By which process of disposal of waste material is, broken down into organic compounds?, , B Oily waste, , A Land fill, , C Cotton waste, , B Recycling, , D Sewage waste, , C Composting, D Waste compaction, , 12, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.1.09, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 1 What is the full form of PPE?, A Public Private Established, B Primary Public Environment, C Perfect Protective Equipment, D Personal Protective Equipment, , 7 Which type of PPE is to be used for the dust particles, hazard?, A Goggle, B Nose mask, C Face shield, D Hand shield, , 2 What is the purpose of using PPE for the workers?, A To increase their skills, , 8 What is the best solution to make the employees willing, to wear PPE?, , B To improve their attidue, , A Encourage the worker by providing certificates, , C To protect the work place, , B Easy maintenance and clean PPE can be provided, , D For controlling the hazards to workers, , C To make wearing of PPE is mandatory for every, employee, , 3 Which PPE is to be used for eye protection, , D Awareness programme may be conducted about, the use of PPE, , A Helmet, B Goggles, C Leather aprons, , 9 What is the name of PPE illustrated below?, , D Head shield without earmuff, 4 In which category of PPE, the respiratory protective, equipment will belong?, A PPE 1, B PPE 3, C PPE 5, D PPE 7, 5 Which type of protection the title PPE - 7 represents?, , A Apron, , A Ears protection, , B Leg guards, , B Safety footwear, , C Face shield, , C Eyes and face protection, , D Hand screen, , D Protective clothing and over all, 6 Which PPE the example of title PPE - 1?, , 10 Which criteria must be satisfied for the quality of, PPE’s?, , A Helmet, , A It can withstand the hazards, , B Ear protection, , B It can be used for long period, , C Safety footwear, , C Made by good quality material, , D Eyes and face protection, , D Full protection against all hazards, 11 Which one is the condition to be considered for, selection of PPE?, A Easy method to use, B Maintenance free PPE, C Quality material of PPE, D Operating characteristics and limitation of PPE, 13, , Copyright Free under CC BY Licence

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12 What is the meaning of safety?, , 16 Which one is the example for ergonomic hazard?, , A The occupational hazards, , A Explosive, , B Provide safe work environment, , B Wrong design, , C Giving first aid treatment to the victim, , C Poor discipline, , D The freedom (or) protection from harm, danger etc.., , D Poor illumination, , 13 What is the goal of the occupational health safety?, , 17 In which type of hazard ‘virus’ will belong?, , A To maintain discipline, , A Ergonomic, , B To co-operate with co-workers, , B Biological hazard, , C To provide a safe work environment, , C Physiological hazard, , D To keep the work place neat and clean, , D Phychological hazard, , 14 In which type of occupational health hazard the noise, belong?, , 18 Which one of the following is the example of, psychological hazard?, , A Physical hazards, , A Toxic, , B Chemical hazards, , B Fungi, , C Biological hazards, , C Smoking, , D Mechanical hazards, , D Vibration, , 15 In which type of occupational health hazards the, infection belong?, A Electrical hazard, , 19 Which one is the example for chemical hazard?, A Fatigue, B Bacteria, , B Biological hazards, , C Corrosive, , C Mechanical hazard, , D Sickness, , D Physiological hazards, , 14, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.09, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.1.10, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 1 What is cleaning?, A Preventing the additional matter, B Removing unwanted matter from the environment, C Keeping the things in systematic arragement, D Keeping the working place in safe situation, , 7 How SOP (Standard Operating Procedure) can be, improved?, A By removing pollutant, B By controlling of inventory process, C By arranging seperate cleaning team, D By giving training and inspection programme, , 2 What is the neccessity of cleaning the workshop?, A To prevent occupational hazards, , 8 Which one is the recommended activity for green, cleaning?, , B To maintain discipline among the workers, , A Using cleaning chemicals, , C To ensure, clean and safe work environment, , B Maintaining shedule for cleaning, , D To maintain the equipment in normal working, condition, , C Using the appropriate technology, D Organising the work space cleaned always, , 3 What is the meaning of Green-cleaning, A Cleaning of the contaminats, B Proper disposal of waste material, C Maintaining of good house keeping, D Need to clean up the cleaning process themselves, , 9 What is the 5s - concept?, A Maintaining systematic approach activities, B Introducing new technology in working place, C Individual oriented and group activity approach, D People-oriented and practice-oriented approach, , 4 Which one is the benefit of shop floor maintenance?, A Reduction of scrap, B Reducing the infection by pollution, C Improving the workers co-operation, D Maintaining the good habits of cleaning, , 10 What does 2nd step of 5s concept represent?, A Sorting out, B Self discipline, C Standardization, D Systematic arrangement, , 5 What is the full form of SOP in cleaning process?, A Simple Operating Procedure, B Skilled Operating Procedure, C Standard Operating Protection, D Standard Operating Procedure, , 11 Which concept of 5s indicates standardization?, A Step - 1, B Step - 2, C Step - 3, D Step - 4, , 6 Which one is the different method of cleaning?, A Disposal of waste, B Seperation of dust, C Collection of waste, D Power wash process, , 12 Which one is the benefit of 5s - concept?, A It maintains working place neatly, B It provides motivation to hard work, C It protects the work place from hazards, D Working in working place becomes easier, , 15, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.1.11 to 1.1.14, Electrician - Safety Practice and Hand Tools, Choose the correct answer, 1 Which one is the purpose of using correct tools, properly?, , 6 Which tool is used for holding small objects where, fingers cannot reach?, , A Skills may not increase, , A Flat nose pliers, , B Speed of work may decrease, , B Long nose pliers, , C Work habit will become normal, , C Round nose pliers, , D Working efficiency will increase, , D Side cutting pliers, , 2 Which material is used to make combination pliers?, , 7 What precaution to be followed, while using the pliers?, , A Cast iron, , A Do not use for holding the objects, , B Mild steel, , B Do not lubricate in its hinged portion, , C Forged steel, , C Avoid using for gripping small objects, , D High carbon steel, , D Avoid damages to the insulation of hard grips, , 3 Which tool is used for cutting, twisting, pulling, holding, and gripping small jobs?, , 8 How the screw driver is specified?, A Shape of its tip, , A Long nose plier, , B Length of its blade, , B Round nose plier, , C Diameter of the handle, , C Side cutting plier, , D Total length of handle and blade, , D Combination plier, 4 What is the use of round nose plier?, , 9 Which material, the handle of the electricians screw, driver is made up of?, , A Holding flat objects, , A Plastic, , B Holding small objects, , B Mild steel, , C Making hooks and loops on wires, , C Stainless steel, , D Cutting of wires for smaller diameter, , D Cellulose acetate, , 5 What is the name of the tool?, , 10 How the neon tester is specified, A By its working voltage, B By its maximum voltage, C By its rated supply voltage, D By available supply voltage, 11 What is the purpose of high value resistance connected, in series with one of the electrode in neon tester?, , A Flat nose plier, , A To limit the current, , B Snip nose plier, , B To stablise the voltage, , C Round nose plier, , C To prevent from electric shock, , D Diagonal cutting plier, , D To complete the electrical circuit, , 16, , Copyright Free under CC BY Licence

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12 What is the use of the double end electrician knife?, A Cutting the wire only, B Cutting and cleaning the wire, C Skinning and cleaning the wire, D Skinning the insulation of wire only, , 18 From which material the stock of the try square is, made?, A Cast iron, B Mild steel, C Stainless steel, D High carbon steel, , 13 How the size of double blade electrician knife is, specified?, , 19 What is the use of try square?, , A By its largest blade length, , A Straightening the object, , B By its length of knife cover, , B Marking the line on the object, , C By its shortest blade length, , C Measuring the size of the object, , D By its total length of both long and short bead, , D Checking the object for its plane surface, , 14 What is the size of the four fold box wood rule?, , 20 How the size of the firmer chisel is specified?, , A 300 mm, , A Width of its blade, , B 450 mm, , B Length of the blades, , C 600 mm, , C Thickness of its blade, , D 900 mm, , D Thickness of the tip of the blade, , 15 What is the use of hammer?, , 21 What is the name of the tool?, , A Nailing, B Cutting, C Folding, D Stiffening, 16 How the size of the hammer is expressed?, A The length of its handle, B The weight of the metal head, , A Pad saw, , C The diameter of its striking face, , B Hand saw, , D The weight of its head and handle, , C Hack saw, , 17 What is the name of the tool?, , D Tenon saw, 22 What will happen to the tenon saw, if grease is not, applied when not in use?, A Teeth will get blunt, B Cutting will not be straight, C It can not be used frequently, D Rust will form on the top surface and teeth, , A Steel rule, B Try square, C Height gauge, D Straight edge, Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.11 to 1.1.14, , Copyright Free under CC BY Licence, , 17

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23 Which tool is illustrated?, , 28 What is the use of ratchet brace?, A Drilling holes on metal sheet, B Drilling holes on metal blocks, C Drilling holes on wooden blocks, D Drilling pilot holes on wooden blocks, 29 Which material, the cold chisel is made up of?, A Cast iron, B Cast steel, C Mild steel, , A Single cut file, , D High carbon steel, , B Double cut file, , 30 While grinding a chisel why coolent is to be applied, frequently?, , C Wood rasp file, D Bastard rough file, , A To keep the tip for long use, , 24 In which material the body of the file made up of?, , B To grind the tip of the chisel smoothly, C To avoid grinding more metal form the chisel, , A Mild steel, , D To maintain its temper constant without loosing, , B Cast steel, C Carbon steel, , 31 What is the name of the tool?, , D Stainless steel, 25 Which tool is used for making pilot holes on wooden, articles for the screws?, A Gimlet, B Bradawl, A Poker, , C Rawlplug tool, D Hand drilling machine, , B Gimlet, C Bradawl, , 26 What is the name of the tool?, , D Rawlplug tool, 32 Which tool is used for loosening and tightening of nut, and bolts?, A Pincers, B Spanners, , A Gimlet, , C Screw driver, , B Pocker, , D Combination plier, , C Scriber, , 33 Which type of spanner is used in place where high, leverage is required?, , D Bradawl, 27 What is the angle of the tip of a centre punch?, , A Ring spanner, , A 72°, , B Socket (box) spanner, , B 75°, , C Double ended spanner, , C 85°, , D Single ended (adjustable spanner), , D 90°, , 18, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.11 to 1.1.14, , Copyright Free under CC BY Licence

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34 What will happen to the hacksaw blade if the cutting is, not straight during cutting?, A Hack saw blade will be broken, B The blade will not cut the metal, C Cutting edges may have more burrs, , 41 What is the full form of JIS?, A Japan Information Schedule, B Japanese Industrial Standards, C Japanese Investment Standards, D Japanese Investigation Standard, , D Forward stroke will not remove the metal, 42 What is the full form of ASA?, 35 Which tool is used for making holes in the metal sheets?, A Cold chisel, , A Arabian System Application, B African Standards Association, , B Centre punch, , C American Standards Association, , C Ratchet brace, , D Australian Standards Applications, , D Hand drilling machine, 43 Which country’s standard is represented as GOST?, 36 What is the use of pincer?, A Twisting the wires, B Bending the thin sheets, C Holding the small objects, , A Rome, B France, C Russian, D Rumenia, , D Extracting the nails from the wood, 44 Which one is the advantage of BIS to the manufacturer?, 37 What is standardization?, A The guidelines for promoting the products, B Standard rules to be followed by the people, C The process of fomulating and applying rules, , A Assurance of safety against hazards, B Better image of products in the market, C Free replacement of ISI marked products, D Protection from exploitation and deception, , D The rules recommended for the manufacturers, 45 Which one is the advantage of BIS to the purchasers?, 38 What is the full form of BIS?, A Bureau of Indian Standard, B British Industrial Standard, C Bureau of Indian Schedule, , A Better image of product in the market, B Help in choosing a standard product, C Assurance of safety against hazards, D Protection from exploitation and deception, , D Bureau of Industries Standard, 46 What is the advantage of BIS to the exporters?, 39 What is the expansion of DIN?, A Derived Indian Norms, B Denmark Industrial Norms, C Deutche Industrie Normen, , A Exemption from pre-shipment, B Independent audit of quality control, C Assurance of safety against hazards, D Protection from exploitation and deception, , D Deutche Investment Notation, 47 What is the full form of NEC?, 40 What is the another form BIS?, A ISI, B IIS, C BSI, , A National Electrical Code, B National Electrical Council, C National Eligibility Certificate, D National Electricity Committee, , D ISO, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.11 to 1.1.14, , Copyright Free under CC BY Licence, , 19

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48 What does NEC describe?, A Rules to be followed by industries, B Standard specification for the products, C The various manufacturing process for the products, D Several indian standards relating to electrical, installation, 49 Which section of NEC-2011 covers the electrical, graphical symbols for diagrams?, , 55 Which lifting method is used to pull heavy loads along, the ground?, A Winches, B Crane and slings, C Layers and rollers, D Machine moving platforms, 56 What precaution must be taken before using any winch, for lifting loads?, , A Section - 1, , A Get permission from authority, , B Section - 2, , B Check that the brake and ratchet mechanism is in, order, , C Section - 3, , C Instruct the winch operator to take care that load, will not fall, , D Section - 4, 50 What does the section-5 of NEC - 2011 cover?, A The scope of NEC, B Definition of items into reference, C Guidelines for preparation of diagrams, D Units and systems of measurement in, electro technology, 51 What is the cause for injury while lifting loads?, A Due to heavy load only, B Due to misbehaviour of the labour only, , D Check the distance between the load and winch in, adequate, 57 Which one is the special device made to move heavy, equipment in industries?, A Winches, B Crane and slings, C Layers and rollers, D Machine moving platform, 58 Which lifting method is illustrated?, , C Wrong lifting technique of heavy load, D Due to the improper selection of protective device, 52 What is the cause for cuts and abrasions?, A By incorrect techniques, B Stop lifting from standing position, C By rough surfaces and jagged edges, D By tripping over an object and falling an object into, load, 53 What is the cause for strain to muscles and joints?, A Lifting large heavy loads, B Splinters and sharp projections, C Rough surfaces and jagged edges, D Awkward moments like jerking (or) twisting during, lifting, 54 Which lifting method is used whenever the loads are to, be lifted and moved?, A Winches, , A Winches, B Cranes and slings, C Layers and rollers, D Machine moving platform, 59 How the heavy loads can be stopped on the roller at, the corners?, A Push the load forward on the roller, B Keep the floor clear of unnecessary objects, C Place the packing on line floor and push it under, the load, D Place some roller additionally at an angle to the, front of the load, , B Crane and slings, C Layers and rollers, D Machine moving platforms, , 20, , Electrical : Electrician (NSQF Level - 5) - Assignment for Exercise 1.1.11 to 1.1.14, , Copyright Free under CC BY Licence

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Module - 2, Basic Workshop Practice (Allied Trade), ASSESSMENT CRITERIA, On completion of this module you shall be able to complete the following, assessment criteria, • Prepare a simple half lap joint using firmer chisel with safety, • Prepare tray using sheet metal with the safety, , Copyright Free under CC BY Licence

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Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.2.15 & 1.2.16, Electrician - Basic Workshop Practice (Allied Trade), Choose the correct answer, 1 Which file is used for wood work?, , 7 Which one is the use of dead smooth file?, , A Rasp cut file, , A High degree finishing, , B Single cut file, , B Ordinary filing purpose, , C Curved cut file, , C Giving good surface finish, , D Double cut file, , D Removing more quantity of metals, , 2 What is the use of rough file?, , 8 Which type of file is illustrated?, , A High degree finishing, B Good finishing purpose, C Giving good surface finish, D Removing more quantity of metal, 3 Which grade file is used for ordinary filing purpose?, A Rough file, , A Rasp cut, B Single cut, C Curved cut, D Double cut, , B Smooth file, , 9 What is the name of the file?, , C Bastard file, D Second cut file, 4 What safety consideration is to be taken while moving, heavy loads with crow bars?, A Push the load forward on to these rollers, B Keep the floor clear of un-necessary objects, C Twist the load round and place the freed rollers, D Place the packing on the floor and push it under, the load, , A Rasp cut file, , 5 What precaution to be considered while raising a load?, , B Single cut file, , A Do not use your hands underneath on packing, , C Double cut file, , B Check your hands are clear of the load before, lowering, , D Curved cut file, , C Place the packing on the floor and push it under, the load, D Warn nearby workers that the lifting is going to begin, 6 What precaution to be taken while moving a load?, A Check the slings are correctly secured, , 10 Which grade of file is used to file steel?, A Double cut file, B Second cut file, C Rasp cut file, D Single cut file, , B Check that a person is ready to lift the load, C Twist the load further round and place free rollers, D Check that there are no obstructions in the way, of the crane and load, , 21, , Copyright Free under CC BY Licence

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11 Which grade of file is used for filing aluminium, materials?, , 17 Which is the narrow and thin part of a file, fits into the, handle?, , A Rasp cut, , A Tip, , B Single cut, , B Heel, , C Curved cut, , C Tang, , D Double cut, , D Edge, , 12 What is the name of file?, , 18 Which part of the file is curved part and separating the, tang from the body?, A Tang, B Edge, C Shoulder, D Face (or) side, 19 How the size of the bench vice is specified?, A By the width of the jaws, , A Rasp cut, , B By the length of fixed jaw, , B Single cut, , C By the length of the spindle, , C Curved cut, , D By the length of movable jaw, , D Double cut, 13 Which type of file available only in half round shape?, A Bastard file, , A To hold a finished work, B To hold the round object, , B Rasp cut file, , C To tighten the work piece, , C Curved cut file, , D To protect the work surface from damage, , D Double cut file, 14 Which type of file is used for sharpening teeth of saws?, , 21 What are the internal parts of a bench vice?, A Fixed jaws and spindle, , A Rasp cut files, , B Handle and spindle, , B Single cut files, , C Box nut and spring, , C Curved cut files, , D Movable jaw and box nut, , D Double cut files, 15 Which type of file is used for filing leather?, , 22 Which tool is used for striking purposes?, A Hand vice, , A Rasp cut file, B Single cut file, , B Cold chisel, , C Curved cut file, , C Centre punch, , D Double cut file, , D Engineer’s hammer, , 16 By which factor that the files are selected for work ?, , 22, , 20 What is the purpose of vice clamps?, , 23 How the hammers are specified?, , A Material of the file, , A By its length of the face to head and its weight, , B Material to be filed, , B By its shape of check and weight of the handle, , C The grade of the file, , C By its weight of the head and shape of the peen, , D The shape of the file, , D By its size of the face and material of its handle, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.15 & 1.2.16, , Copyright Free under CC BY Licence

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24 Which material, the head of the hammer is made of?, A Cast steel, B High speed steel, C High carbon steel, D Drop forged carbon steel, , 31 Which type of cold chisel is used for cutting curved, grooves?, A Flat chisel, B Cross-cut chisel, C Diamond point chisel, D Half round nose chisel, , 25 In which part of the hammer head, the weight of the, hammer is stamped?, , 32 What is the use of cross - cut (or) cape chisel?, , A Face, , A Cutting curved grooves, , B Peen, , B Cutting key ways and slots, , C Cheek, , C Squaring the materials at the corners, , D Handle, , D Seperating the metals after chain drilling, , 26 What precaution to be taken before using hammer?, A Check the weight of the hammer, B Check for the free movement of handle, C Check the material of the hammer head, D Check the type of hammer, , 33 Which type of cold chisel is used for chipping excess, metal off from welded joints?, A Flat chisel, B Web chisel, C Diamond point chisel, D Half round - nose chisel, , 27 Which part of the hammer is used for shaping and, forming riveting and bending?, , 34 How the chisels are specified?, , A Head, , A By width of the cutting edge, , B Peen, , B By shape of the cutting edge, , C Face, , C By length of the cutting portion, , D Cheek, , D By depth of removing metal area, , 28 Which tool is used by fitters for chipping and cutting, operations?, A Scribers, , 35 What is the use of hack saw frame and blade?, A Finishing of the rough surfaces, B Making straight grooves on metals, , B Hammer, , C Cutting of metals to different sections, , C Hack saw, , D Removing excess metal from the surface, , D Cold chisel, 29 What is chipping operation?, , 36 What is the advantage of flat adjustable hack saw, frame?, , A Finishing the rough surface by filing, , A Gives better grip while sawing, , B Straightening the bending surface of the metal, , B Different lengths of blades can be fitted, , C Removing excess metal using chisel and hammer, , C Can cut the straight line without marking, , D Cutting of the punched on marked surface of metal, , D Can reduce the more gaps in cutting width, , 30 Which material the cold chisel is made of?, , 37 In which material, the hack saw blades are made of?, , A Mild steel, , A Mild steel, , B Cast steel, , B Cast steel, , C Drop forged steel, , C High speed steel, , D High carbon steel, , D High carbon steel, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.15 & 1.2.16, , Copyright Free under CC BY Licence, , 23

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38 What is the use of flexible hack saw blades?, A For cutting along curved lines, B To cut the straight line cutting, C For making pilot cutting marks, D For vertical cutting on the metals, , 41 Why, the cut is to be broader than the thickness of the, saw blade while using hack saw frame?, A To save the time, B To prevent the saw from binding, C For reducing the excess material removing, D To get good finishing on the sawing portion, , 39 What is the pitch of the hack saw blade?, A The width of the blade, B The width of one cutting teeth, C The distance between the two pin holes, D The distance between the two adjacent teeth, 40 How the hack saw blades are specified?, , 42 What is the pitch for wave set method of saw setting in, hack saw frame?, A 1.0 mm, B 0.8 mm, C 0.7 mm, D 0.5 mm, , A The length and width of the blade, B The thickness and width of the teeth, C The number of teeth between two pin holes, D The number of teeth per 25 mm of the cutting edge, , 24, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.15 & 1.2.16, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.2.17, Electrician - Basic Workshop Practice (Allied Trade), Choose the correct answer, 1 By which material, the steel rules are made of?, , 6 What is the name of the instrument marked as ‘x’?, , A Mild steel, B Spring steel, C High speed steel, D High carbon steel, 2 What is the reading accuracy of a steel rule?, A 0.1 mm, B 0.2 mm, C 0.5 mm, , A Divider, , D 0.6 mm, , B Inside caliper, , 3 What is the minimum graduation of a steel rule?, , C Odd leg caliper, D Outside caliper, , A 0.1 mm, B 0.5 mm, , 7 Which one is the way for preparing white wash marking, media?, , C 0.01 mm, , A Chalk mixed with turpentine, , D 0.05 mm, 4 What is the purpose for the surface of the steel rule is, coated with satin - chrome?, A To get accurate reading, B To make good appearance, C To identify the graduation easily, D To reduce glare and prevent rusting, 5 What is the name of the instrument marked as ‘x’?, , B Chalk powder mixed with water, C White lead powder mixed with water, D White lead powder mixed with methylated spirit, 8 In which surface, prussian blue marking media is to be, used?, A On rough forging with oxidised surfaces, B On filed (or) machine - finished surfaces, C On rough casting with oxidised surfaces, D On rough forgings and casting with oxidised, surfaces, 9 Which marking medium is commercially available with, different colours ?, A White wash, B Prussian blue, , A Divider, , C Copper sulphate, , B Inside caliper, , D Cellulose lacquer, , C Outside caliper, D Odd leg caliper, , 10 What will happen, if the copper sulphate coating, marking medium is not dried well?, A It will erase the markings quickly, B Marking will immediately disappear, C The solution may stick on the instrument, D One more layer will form on the finished surfaces, 25, , Copyright Free under CC BY Licence

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11 Which marking media will take more time for drying, than the other media?, A White wash, , 18 How the calipers size is specified?, A The length of the caliper, B The minimum length of the pivots, , B Prussian blue, , C The maximum length of the pivots, , C Copper sulphate, , D The distance between line pivot centre and tip of, the leg, , D Cellulose lacquer, 12 What is the use of centre punch?, A To locate the holes to be drilled, B For serving lines on materials, C To check the flatness of surfaces, D For measuring distance between points, , 19 Which tool is used for checking parallelism with high, degree of accuracy?, A Inside caliper, B Jenny caliper, C Firm joint caliper, D Spring joint caliper, , 13 What is the angle of centre punch point?, 20 What is the another name of oddleg calipers?, , A 30°, , A Inside caliper, , B 45°, , B Jenny calipers, , C 60°, , C Outside caliper, , D 90°, , D Spring joint calipers, 14 What is the angle of prick punch point used for making, light punch marks?, A 30°, , 21 Which type calipers have one leg with an adjustable, divider point?, A Inside caliper, , B 45°, , B Jenny calipers, , C 60°, , C Outside caliper, , D 90°, , D Spring joint calipers, 15 What is the angle of prick punch point used for witness, mark?, , 22 Which one is the use of jenny calipers?, , A 30°, , A Locating of holes, , B 45°, , B To take measurement of the work piece, , C 60°, , C Transform measurements from the steel rule, , D 90°, , D To mark lines parallel to edges inside and outside, , 16 How the fine setting can be done in firm joint caliper?, A By moving the pivoted legs, , 23 Which type of caliper is shown to locate the centre of, round bars?, , B By opening the tips by hand, C By adjusting legs on one end, D By lightly tapping on a wooden surface, 17 What is the advantage of spring calipers ?, A Quick setting, B Fixed readings, C More accuracy, D Fine adjustment, , A Inside caliper, B Jenny caliper, C Outside caliper, D Spring joint caliper, , 26, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.17, , Copyright Free under CC BY Licence

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24 What purpose, the heel type jenny caliper is used?, A For scribing lines along curved edges, , 30 What is the base unit of length in British system of, length measurement?, , B To draw lines parallel along inside edges, , A Inch, , C For drawing parallel lines along the outer edges, , B Foot, , D To mark lines parallel to edges inside and outside, , C Yard, , 25 What will be the condition of the legs of jenny caliper, while setting dimension and serving lines?, , D Furlong, 31 Which tool is used to measure 90° correctness?, , A Both legs should be slightly inclined, , A Datum, , B Both legs should be of equal lengths, , B Try square, , C One of its leg should be with heel leg, , C Straight edge, , D One of its leg should be bent another should be, straight, , D Surface height gauge, , 26 What is the base unit of length as per S.I unit?, A Metre (m), B Millimetre (mm), C Decimetre (dm), D Centimetre (cm), 27 What is the preferred unit of length measurement for, measurement in engineering practice?, , 32 What is the use of try square?, A To check parallel line, B To measure the length, C To check the inclined angles, D To check the squareness of the surface, 33 What is the accuracy of the try square?, A 0.0002 mm per 10 mm length, , A Metre (m), , B 0.002 mm per 10 mm length, , B Millimetre (mm), , C 0.02 mm per 10 mm length, , C Centimetre (cm), , D 0.2 mm per 10 mm length, , D Micrometre ( μ m), 28 What is the relation between metre (m) and millimetre, (mm)?, A 1 metre = 10 mm, B 1 metre = 100 mm, C 1 metre = 1000 mm, D 1 metre = 10000 mm, 29 What is the relation between micrometre(μ m) and, millimetre (mm)?, A 1 micrometer(μ m) = 0.01 mm, B 1 micrometer(μ m) = 0.001 mm, C 1 micrometer(μ m) = 0.0001 mm, D 1 micrometer(μ m) = 0.00001 mm, , 34 In which material the try square is made?, A Cast steel, B Stainless steel, C Hardened steel, D High carbon steel, 35 At what angle the blade is fixed in the stock in try, square?, A At 30°, B At 45°, C At 60°, D At 90°, 36 How, the trysquares are specified?, A By its weight, B By its length of the stock, C By its length of the blade, D By its both length of stock and blade, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.17, , Copyright Free under CC BY Licence, , 27

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37 Which one tool is a sharp, pointed steel tool?, , 43 What is the name of the tool?, , A Scriber, B Dot punch, C Cold chisel, D Centre punch, 38 In which material, the scribers are made of?, A Carbon tool steel, B Stainless steel, C Mild steel, D Cast steel, 39 What is the use of divider?, , A Limit gauge, , A Checking the parallel lines, , B Radius gauge, , B Checking the measurement, , C Fixed surface gauge, , C Scribing circles and arcs on metals, , D Universal surface gauge, , D Marking the parallel lines on the surface, 40 In which material, the radius gauges are made of?, , 44 What is the function of the rocker arm of universal, surface gauge?, A For scribing lines, , A Brass sheets, , B For fine adjustment, , B Stainless steel sheet, C High carbon steel sheets, D High quality steel sheets, 41 What is the name of the tool?, , C For moving the scriber, D To support the spindle, 45 In which material the base of the universal gauge is, made of?, A Cast iron, B Mild steel, C Stainless steel, D High speed steel, 46 What is datum?, A Supporting base metal, B Horizontal plane surface, , A Limit gauges, , C Reference surface, line or point, , B Feeler gauge, , D Horizontal and vertical markings, , C Radius gauge, D Universal surface gauge, , 47 What is the purpose of datum?, A It helps to locate common centre point, , 42 What is the use of radius gauge?, A To scribe the radius of the circle, B To measure the radius of the circle, , B To support the instrument from the base, C To help by guiding for marking parallel lines, D To provide common position for measurement, , C To measure the angles on curved surfaces, D To check the internal and external radius of the job, , 28, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.17, , Copyright Free under CC BY Licence

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48 How many datum references are required for positioning, a point?, A 1, B 2, C 3, , 49 Which is the example for datum?, A Plane floor, B Try square, C Straight edge, D Marking table, , D 4, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.17, , Copyright Free under CC BY Licence, , 29

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Electrical, Assignment for Exercise 1.2.18 & 1.2.19, Electrician - Basic Workshop Practice (Allied Trade), Choose the correct answer, 7 Which one defect of timber is caused due to uneven, shrinkage?, , 1 What is timber?, A A trunk of a tree, , A Knot, , B A branch of a tree, , B Twisting, , C A knot on the tree, , C Cupping, , D A product of a tree, , D Cracking, 2 What is “along the grain” in a tree?, A Any operation performed in the grain direction, B Any operation performed at right angle to the grain, C Any operation performed in opposite direction to, the grain, D Any operation performed in any direction inclined, to the grain, 3 What is “across the grain” in a tree?, A Any operation performed in the grain direction, B Any operation performed at right angle to the grain, C Any operation performed in any direction inclined, to the grain, D Any operation performed in the opposite direction, of grain, , 8 Which one is the cause for the ‘Cupping’ defect in timber?, A Cracking, B Uneven shrinkage, C Improper seasoning, D Irregularity occurrence in timber, 9 Which defect will occur in timber due to the cause of, ‘Cracking’?, A Defective storage, B Uneven shrinkage, C Improper seasoning, D Irregularity occurrence in timber, 10 What is the name of the tool?, , 4 What is ‘grain’ in a tree?, A The knots in the trunk of tree, B The direction of grains in a tree, C The size of the trunk of the tree, D The direction of the packed cells position, 5 What is the effect of the defect in timber?, A Makes more problems while handling it, B Appearance of the timber become bad, C Reduces its strength, durability and utility value, D Transporting the defective timber is more expensive, , A Steel rule, B Try square, C Straight edge, , 6 Which is the cause for the knot defect in timber?, , D Wooden folding rule, , A Due to the growth of branches on the tree, B Due to the soil of the tree where it is grown, C Due to the use of wrong fertilizer for growthing, D Due to the lack of maintenance in growthing, , 11 What is the use of wooden folding rule?, A To check the measurement, B For taking linear measurement, C For marking parallel lines on surface, D For testing the flatness of the surface, , 30, , Copyright Free under CC BY Licence

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12 In which material, straight edge is made of?, A Steel, , 19 Which type of carpenter’s hammer is also called as, Engineer’s hammer?, A Claw hammer, , B Brass, , B Ball peen hammer, , C Cast iron, , C Cross peen hammer, , D Aluminium, , D Straight peen hammer, 13 What is the use of marking gauge?, A For drawing straight line on a job, B For marking lines parallel to the edges, C For checking the flatness of the surface, D For marking inclined lines on the surface, 14 In which material, the mallets are made of?, A Ply wood, , 20 Which type of hammer’s another name is pin, hammer?, A Tacks hammer, B Ball peen hammer, C Cross peen hammer, D Straight peen hammer, 21 Why the cheek of the hammer is having slightly, converse shape?, , B Soft wood, C Hard wood, , A To avoid digging of the edge, , D Beech or ash, , B To give uniform striking force, , 15 In which material the handle of the mallet is made of?, , C To maintain flexibility while punching, D To remove the burrs on the striking force, , A P.V.C, B Beech, , 22 Which type of carpenter’s hammer is having lesser in, weight and slight magnetic properties?, , C Teak wood, , A Straight peen hammer, , D Hardwood, 16 Why the head of the mallet is made of hard wood with, twisted fibre?, A To maintain uniform striking force, B To prevent the splitting of the wood, , B Cross peen hammer, C Tacks hammer, D Claw hammer, 23 What is the criteria to select carpenter’s hammer?, , C To withstand on heavy striking force, , A Without burrs and chips on cheek, , D To maintain uniform stroke on the force, , B With correct weight suitable for the job, , 17 Why the mallet has to be held up side down and, dropped once or twice on the work bench?, A To check the striking force, B For removing the handle easily, C To increase the striking force on the job, D To tighten the head of mallet on the handle, 18 Which type of carpenter’s hammer is used to extract, the nails out of wood?, , C Check the type of handle of the hammer, D With uniform flatness on the striking surface, 24 In which material the handle of hand saw is made of?, A P.V.C, B Wood, C Plastic, D Cast steel, 25 In which material, the blade of the hand saw is made, up of ?, , A Claw hammer, B Tacks hammer, , A Carbon steel, , C Ball peen hammer, D Cross peen hammer, , B Spring steel, C Cast steel, D Mild steel, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.18 & 1.2.19, , Copyright Free under CC BY Licence, , 31

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26 What is the expansion of TPI?, , 33 What is the use of ‘G’ clamp?, , A Teeth Position Innerside, , A To check the job for its flatness, , B Teeth Position Index, , B For punching the holes on the plate, , C Teeth Power Index, , C For straightening the job by clamping, , D Teeth Per Inch, , D For holding the job to the bench while sawing and, chiseling, , 27 Which saw is also known as back saw?, 34 Which type of holding device is used for gluing the, job?, , A Rip saw, B Hack saw, , A ‘G’ clamp, , C Hand saw, , B Bench vice, , D Tenon saw, , C Bench hook, , 28 What is the use of tenon saw?, A Rough work, , D Wood worker’s vice, 35 What is the use of Bench Hook?, , B Finishing work, , A To hold the job while drilling, , C Joint construction, , B To hold the job while planing, , D Cutting of thinner wood, 29 What is the rake angle of hand saw?, A 4° to 7°, , C To protect the job from slipping down, D To protect the work bench surface from damage, 36 What is the use of Jack plane?, , B 8° to 10°, , A For initial planing of timber, , C 12° to 15°, , B For planing small wooden pieces, , D 25° to 30°, , C For finishing the job to the required size, , 30 What is the rake angle of tenon saw?, A 8° to 10°, , D For finishing rectangular recesses cut along, 37 Which type of plane is used for planing small parts of, the job?, , B 12° to 15°, C 25° to 30°, , A Jack plane, , D 35° to 40°, , B Smoothing plane, , 31 Which type of file is used for sharpening the blunt teeth?, , C Metal rebate plane, D Wooden rebate plane, , A Flat file, B Round file, , 38 Which type of plane is illustrated?, , C Square file, D Triangular file, 32 How, the movable jaw of wood workers vice can be, opened?, A By separating the jaws by using hands, B By rotating the handle in clockwise direction, C By rotating the handle in anticlockwise direction, D By separating the jaws using lever between the jaws, , A Jack plane, B Smoothing plane, C Metal rebate plane, D Wooden rebate plane, , 32, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.18 & 1.2.19, , Copyright Free under CC BY Licence

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39 Which part of the metal rebate plane is the integral, part of the body?, , 46 Which one is the use of slotted counter sunk raised, head wood screw?, , A Blade, , A For general purpose, , B Wedge, , B For heavy duty work, , C Handle, , C For fixing thick sheets to wood, , D Cap with thumb screw, , D For fixing thin sheets to wood, , 40 In which material the blade of the plane is made?, , 47 In which material the wood screws are made?, , A High carbon steel, , A Mild steel, , B Tempered steel, , B Cast steel, , C Stainless steel, , C Carbon steel, , D Mild steel, , D Cast iron steel, , 41 What is the use of flat drill?, A For making pilot holes in the metal, , 48 Which tool is used for holding various types of bits for, making holes of various diametres in wood by manual, operation?, , B For making square holes in materials, , A Ratchet brace, , C For guiding the drills while making holes, , B Pillar drilling machine, , D For drilling shallow holes in heavy works, , C Hand drilling machine, , 42 In what size taper shank drill bits are available?, , D Power drilling machine, , A 1 mm to 12 mm, B 2 mm to 20 mm, , 49 How the selection of direction can be done in ratchet, brace?, , C 3 mm to 50 mm, , A By rotating the crank by hand, , D 5 mm to 75 mm, , B By turning the camring, , 43 How the twist drill bits can be protected from the damage?, A By coating with chemical oxides, B Can be kept with operator, , C By adjusting the ratchet, D By rotating the handle, 50 What is the process of removing out material round a, hole at its surface up to depth?, , C Can be kept in a cloth bag, , A Drilling, , D They can be placed separately in small boxes, , B Counter sinking, , 44 In what sizes the parallel shank drills are available?, A Upto 50 mm, , C Reaming, D Honing, 51 What is the cutting angle of counter sink bits?, , B Upto 30 mm, C Upto 20 mm, , A 82°, , D Upto 12 mm, , B 75°, , 45 Which type of screws are used for fixing thin sheets to, wood work?, A Square head screw, , C 72°, D 70°, 52 How the sizes of counter sink bits are specified?, , B Slotted round head screw, , A By its length, , C Slotted counter sunk head wood screw, , B By its rim diameter, , D Slotted counter sunk raised head wood screw, , C By its shank diameter, D By its cutting edge diameter, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.18 & 1.2.19, , Copyright Free under CC BY Licence, , 33

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53 Which type of screw driver can be set for clockwise, (or) anticlockwise revolution?, , 60 Which type of file is suitable to use for sharpening the, teeth of saw?, , A Cranked screw driver, , A Flat file, , B Ratchet type of screw driver, , B Rasp file, , C Cabinet pattern screw driver, , C Triangular file, , D London pattern type screw driver, , D Square shape file, , 54 Which type of screw driver is used with interchangeable blades?, , 61 When the ‘Topping’ process is neccessary for sharpening?, , A Cranked screw driver, , A Only when few saw teeth are broken, , B Spiral ratchet screw driver, , B Only when the saw teeth became blunt, , C Ratchet type screw driver, , C Only when depth of gullet pitch are not uniform, , D Star head screw driver (philips), , D Only when the saw teeth became uneven height, , 55 Which type of screw driver will not slip and burr the, head of the screw?, , 62 Which tool is used for ‘Setting’ process while, sharpening the teeth of saw?, , A Star head screw driver (philips), , A Flat file, , B Spiral ratchet screw driver, , B Triangular file, , C Cranked screw driver, , C Saw set plier, , D Ratchet screw driver, , D Long nose plier, , 56 Which step of sharpening of saw teeth is to be done to, bring down the points of all the teeth to the same level?, A Topping, , 63 Why sharpening of plane blade is neccessary?, A To produce keen cutting edge, B To prevent the damage of the blade, , B Setting, , C To minimise the heat during planing, , C Holding, , D To remove the burr formed on the blade, , D Reshaping, 64 How the burr is removed during sharpening the blade?, 57 Which type of file is used for topping the saw teeth?, A Flat file, , B By rubbing the blade with its bevel down, , B Needle file, , C By rubbing the blade with its bevel straight, , C Triangular file, , D By rubbing the back of the fat face of the blade on, oil stone, , D Wood rasp file, 58 What is the meaning of ‘Setting’ process of saw teeth?, A Filing the gullet of each tooth of the saw, B Restoring the tips of the teeth of the saw, C Bending every alternate teeth to opposite direction, D Bringing down the points of all the teeth to the same, level, 59 Why ‘Reshaping’ process is neccessary for sharpening saw teeth?, , 34, , A By maintaning correct anlge, , 65 Why the bevel of the blade becomes shortened during, sharpening?, A Due to more burr producing, B Not maintaining correct angle, C Due to clogging of the oil stone, D Due to continuous use and numerous sharpening, 66 Which tool is used for shaping different profiles in wood, work?, , A To produce keen cutting edge, , A Chisel, , B To restore the tips of the teeth, , B Hammer, , C To make sawing operation is easy, , C Jack plane, , D To get accuracy of sawing operation, , D Key hole saw, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.18 & 1.2.19, , Copyright Free under CC BY Licence

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67 Which part of the chisel is fitted to its handle?, , 73 What is the name of the lap-joint on wood?, , A Neck, B Blade, C Ferrule, D Shoulder, 68 Which type of chisel is used for making rectangular, holes in wood?, A Paring chisel, B Firmer-chisel, , A End - lap joint, , C Mortise-chisel, , B Cross - lap joint, , D Bevel-edge firmer chisel, , C Middle - lap joint, , 69 What is the use of firmer chisel?, A General chiselling work, , D Straight - lap joint, 74 Name the type of curve cutting saws?, , B Paring and finishing joints, C Making rectangular holes in wood, D Light chiselling and to clean sharp corners, 70 Which type of chisel is used to clean sharp corners on, the wood?, A Firmer chisel, B Paring chisel, , A Fret saw, , C Mortise chisel, , B Coping saw, , D Bevel-edge firmer chisel, , C Compass saw, , 71 Where the End - lap joint on wood is used?, A Two parts of a job meet near the ends, B Two parts of a frame cross each other, C Two parts of job cross each other at ends, D One part of job meets another part with same, distance, 72 Which type of lap joint is used, if one part of job meets, another part at same distance from the ends?, , D Key - hole saw, 75 Which type of curve cutting is used for larger curve, cutting?, A Fret saw, B Coping saw, C Key hole saw, D Compass saw, 76 What is the use of fret type of curve cutting saw?, , A End - lap joint, , A Sharp corners, , B Cross - lap joint, , B Internal cutting, , C Middle - lap joint, , C Larger curve cutting, , D Straight - lap joint, , D Sharp and fine curves, 77 Which type of curve cutting saw is used for internal, cutting?, A Fret saw, B Coping saw, C Key hole saw, D Compass saw, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.18 & 1.2.19, , Copyright Free under CC BY Licence, , 35

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78 Which type of wood working file is used for finishing, concave corners?, , 80 Which type of wood working file is used for finishing, both corners and convex edges?, , A Flat files, , A Flat files, , B Round files, , B Round files, , C Half round files, , C Half round files, , D Wood rasp files, , D Wood rasp files, , 79 What is the use of flat type wood working files?, A Preliminary rough work, B Rapid removal of waste part of wood, C Finishing end grains and corner edges, D Finishing both corner and convex edges, , 36, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.18 & 1.2.19, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.2.20 & 1.2.23, Electrician - Basic Workshop Practice (Allied Trade), Choose the correct answer, 1 Which sheet metal is used in large quantity in sheet, metal industry?, A Tin sheets, , 6 What is the purpose of cold punches?, A To make small holes in sheet metal, B To make joints on two sheet metals, , B Steel sheets, , C To mark the lines on the sheet metal, , C Brass sheets, , D To make continuous punches on the maked line, , D Galvanised iron sheets, 2 Which is called as plate?, , 7 What precaution to be observed while using solid cold, punch?, , A Sheets over 2 mm thick, , A The punch should be held at inclined position, , B Sheets over 3 mm thick, , B Sheet should be kept on a plate during punching, , C Sheets over 4 mm thick, , C Sheet should be kept on lead cake during, punching, , D Sheets over 5 mm thick, , D While striking head of the punch only is to be, 3 What is the thickness of the sheet metal used?, A Less than 5 mm thickness, B Less than 4 mm thickness, C Less than 2 mm thickness, D Less than 1 mm thickness, 4 What is the name of the tool?, , watched, 8 What is the use of self - tapping screws?, A For making joints on two plates, B To fix the thick sheets on the walls, C To improve mechanical strength on the joints, D For making joints on thin section of metal sheets, 9 What is the use of thread forming type screws?, A For making thread on holes, B For self tapping on hand or brittle materials, C For cutting mating threads with projected ridges, D For producing mating thread by displacing the, material, 10 What is the special feature in self-piercing and tapping, type screws?, , A Bent snip, B Straight snip, C Side cutting plier, D Diagonal cutting plier, 5 What is the use of bent snip?, A To cut straight line, , A Used along with guns, B Useful for softer and thinner materials, C Projected ridges in the shape of thread, D The thread cuts in the same way as in thread cut, ting tap, , B For cutting internal curves, C For cutting external curves, D To make bends and hems on sheets, , 37, , Copyright Free under CC BY Licence

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11 What is the name of the tool?, , 15 What is the purpose of stake?, A Holding the sheets to be bent, B Making hem on the edges of joints, C Securing the job for safe operation, D Bending, seaming and forming of sheet metal, 16 Name the type of stake?, , A Stakes, B ‘C’ clamp, C Folding bar, D Angle steel, 12 Which metal is used to make stakes?, , A Square stake, , A Mild steel, , B Hatchet stake, , B Carbon steel, , C Blow horn stake, , C Forged steel, , D Bevel-edged square stake, , D High speed steel, , 17 What is the use of bevel edged square stake?, , 13 What is the name of the tool?, , A For general purpose, B For folding sheet metal, C Form corners and edges, D Form cone-shaped articles, 18 Which material is used make mallet?, A Wood, B Cast iron, C Stainless steel, D High carbon steel, , A Stakes, , 19 What is the purpose of notches?, , B ‘C’ clamp, C Folding bar, , A To protect the sheet surface from damage, , D Angle steel, , B To form gap for joining the edges of sheets, , 14 Which type of stake is used for making sharp bends, for bending edges on the sheets?, A Square stake, , C For making sharp bending edges on sheets, D To prevent excess material from over lapping, 20 Which type of notch is cut at an angle of 45° to the, corner of the sheet?, , B Hatchet stake, C Blow - horn square stake, , A ‘V’ notch, , D Bevel - edge square stake, , B Slant notch, C Square notch, D Straight notch, , 38, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.20 & 1.2.23, , Copyright Free under CC BY Licence

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21 What is the purpose of hem?, , 25 Which material is used for riveting?, , A It helps for easy folding the surface of steel, , A Cast iron, , B It prevents excess material from over lapping, , B Mild steel, , C It helps the work to be formed to the required size, , C Stainless steel, , D It stiffens the sheet of the metal and away with, sharp edges, , D Low carbon steel, 26 What is the use of rivets?, , 22 What is the use of single hem?, A It forms corners and edges, B It makes the edge smooth and stiff, C To strengthen the edges of lengthy article, , A Joining of two wooden planks with nails, B Joining method for temporary joints of two pieces, C Joining metal sheets and plates in fabrication work, D Joining of two different metals by screws, , D It prevents excessive material from over lapping, 27 How the size of rivets are determined?, 23 Which is radial line method pattern development?, A Boxes, , A By its total length, B By its head diameter, , B Prisms, , C By its head shape and its length, , C Cylinders, , D By its diametre and length of the shank, , D Pyramids, 28 The shank length of the rivet can be calculated by the, 24 What is the use of triangulation pattern development, method?, A To develop pattern of cylinder, B To develop the shapes with apex, C To provide the shape forming pyramid, D To develop pattern shapes having no apex, , ⎛ 11 ⎞, D ⎟ . What does the letter, formula L = T 1 + T 1 + ⎜, ⎝ 2, ⎠, ‘D’ represent?, , A Diameter of the rivet, B Thickness of the sheet, C Diameter of the punched hole, D Diameter of the head of the rivet, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.20 & 1.2.23, , Copyright Free under CC BY Licence, , 39

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Electrical, Assignment for Exercise 1.2.21 & 1.2.22, Electrician - Basic Workshop Practice (Allied Trade), Choose the correct answer, 1 The process of making holes on work piece by a tool, is called........., A Drilling, , 7 Drills with straight shanks are made up to.........., A 8 mm dia, B 10 mm dia, , B Horning, , C 12 mm dia, , C Shaping, , D 15 mm dia, , D Machining, 2 What is the name of the part of drill bit that fits into the, slot of drilling machine?, A Tang, , 8 What is the name of the portion between the point and, shank of the drill bit?, A Tang, B Land, , B Land, , C Body, , C Flute, , D Shank, , D Shank, 3 Which part of the drill is the driving end what is fitted, on the machines?, A Tang, , 9 What is the name of the spiral grooves which run to, the length of the drill?, A Tang, B Land, , B Flute, , C Flute, , C Shank, , D Shank, , D Handle, 4 How many types of shanks are used in drill bits?, A Two, , 10 The diameter of the drill is measured across the......., A Tang, B Land, , B Four, , C Flute, , C Three, , D Shank, , D Only one, 5 Which shank is commonly used for a smaller diameter, drills?, A Taper shank, , 11 Which part of the drill bit helps to flow the coolant to, the cutting edge?, A Tang, B Land, , B Straight shank, , C Flute, , C Triangular shank, , D Shank, , D Square shank, 6 Which shank is used for larger diameter drills?, , 12 What is the name of the metal column that separates, the flutes?, , A Taper shank, , A Web, , B Straight shank, , B Sleeve, , C Triangular shank, , C Socket, , D Cylindrical shank, , D Drill chuck, , 40, , Copyright Free under CC BY Licence

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13 Which part of the drill bit is helping to curl the chips, and allow them to come out?, , 17 How do you cool the cutting tool and the job while, drilling?, , A Land, , A By using water, , B Body, , B By using coolant, , C Flute, , C By using blower fan, , D Shank, , D By using natural air, , 14 Which is used for drilling when the main spindle length, is too short?, , 18 What is the name of tools used for easy removal of, drills from the socket?, , A Web, , A Drift, , B Chuck, , B Mallet, , C Sleeve, , C Pocker, , D Socket, , D Saw driver, , 15 In the figure below what is attached to the main spindle?, , 19 How do you make the screw to fit flush with the, surface of a component?, A Increase the hole size, B Counter sinking the hole, C By hammering on screw head, D Use short lengthed screw head, 20 What is the angle usually made with counter sinks?, A 40 and 62, , A Web, , B 50 and 82, , B Sleeve, , C 60 and 82, , C Socket, , D 60 and 30, , D Drill chuck, 16 What is the name of the tool shown in the figure used, for drilling?, , 21 What is the maximum drill size that can be used in, hand drilling machine?, A Upto 3 mm, B Upto 10 mm, C Upto 6.5 mm, D Upto 7.15 mm, 22 The sensitive bench drilling machine is capable of, drilling holes upto ......., A 6.5 mm, B 8.5 mm, , A Tang, B Chuck, , C 12.5 mm, D 16.5 mm, , C Sleeve, D Socket, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.21 & 1.2.22, , Copyright Free under CC BY Licence, , 41

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23 Which drilling machine is shown in the figure?, , 29 How do you express the cutting speed?, A Meters / minute, B Meters / second, C Millimeter / minute, D Millimeter / second, 30 What is the cutting speed for aluminium?, A 20 to 35 m/min, B 25 to 40 m/min, C 35 to 50 m/min, , A Pillar drilling machine, B Radial drilling machine, C Electric hand drilling machine, D Sensitive bench drilling machine, 24 Which drilling machine is used for heavy duty work?, A Hand drilling machine, B Pillar drilling machine, C Electric hand drilling machine, D Sensitive bench drilling machine, 25 How do you achieve different spindle speed in a bench, drilling machine?, A Control motor speed, , D 70 to 100 m/min, 31 How do you express the speed at which the cutting, edge of a drill bit passes over a job?, A Motor speed, B Rated speed, C Cutting speed, D Spindle speed, 32 What is the cutting speed for steel?, A 20 - 30 m/min, B 40 - 50 m/min, C 30 - 40 m/min, D 70 - 100 m/min, 33 What is the formulae to find cutting speed (CS)?, , B Using stepped pulley, C Controlling supply voltage, D Using different sizes of belts, , A, , Nπ d, m / min, 1000, , B, , πd, m / min, 1000, , 26 Which drilling machine is used for light duty work?, A Hand drilling machine, B Bench drilling machine, C Radial drilling machine, , Nπ, C d1000 m / min, , D Sensitive bench drilling machine, 27 While drilling sometimes the work is lifted up and secured on parallel blocks why?, A To protect the drill bit, B To protect the drilling machine, , Nd, D π1000 m / min, , 34 Which angle suitable for chipping a hard material by, using chisel ?, , C To protect the vice, not to be drilled, , A Wide angle, , D To make enough height of the work for drilling, , B Sharp angle, , 28 Which material is used to make parallel blocks?, A Copper, , C Straight angle, D Inclined angle, , B Mild steel, C Silicon steel, D Hardened steel, 42, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.21 & 1.2.22, , Copyright Free under CC BY Licence

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35 What do you call the angle between top face of the, cutting point and normal to the work surface at the, cutting edge?, A Wide angle, , 42 How many types of threaded fastening available in ISO, inch (unified) thread?, A One, B Two, , B Rake angle, , C Four, , C Sharp angle, , D Three, , D Clearance angle, 36 What is the name of the angle between the bottom, face of the point and tangent to the work surface?, A Rake angle, , 43 What is the thread angle of British standard worth, (BSW) thread?, A 60°, B 65°, , B Wide angle, , C 55°, , C Sharp angle, , D 50°, , D Clearance angle, 44 Why do you make tapered pipe threads on iron pipe?, 37 What will happen to the rake anlge if the clearance, angle is too low or zero?, , A It prevents rusting, B To form water tight joint, , A Increases, , C It saws from bording materials, , B Falls zero, , D It should not be taken out again, , C Remain same, , 45 What is the purpose of using hemp packing between, two metal threads?, , D Falls very low, 38 What will happen to material if the angle of inclination, increases while chipping?, A Cut remains same, B Cut reduces very low, C Cut drastically reduces, D Cut progressively increases, 39 Which type of Vee threads used for general engineering threaded fastners?, A SI metric thread, B IST metric thread, C ISO metric thread, D BSI metric thread, 40 What is the thread angle in the ISO metric thread?, , A To protect the male threads, B To protect the female threads, C To fill rusted or damaged threads, D To fill any small space between threads, 46 Which type of thread usually made on GI pipe male, thread?, A Square, B Parallel, C Tapered, D Triangular, 47 What is the function of tap for making threads on pipes?, A To make male thread, B To make internal thread, , A 90°, , C To make parallel thread, , B 30°, , D To make external thread, , C 60°, , 48 Taps are usually made in set of ........, , D 45°, 41 What do you understand from the number 12 in ISO, metric M -12?, , A Two, B Four, , A Length, , C Five, , B Diameter, , D Three, , C Total length, D Pitch of thread, Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.21 & 1.2.22, , Copyright Free under CC BY Licence, , 43

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49 How many threads usually kept on first tap or taper, tap?, A 6 to 8, , 56 Which die is stronger in construction?, A Half dies, B Circular split die, , B 8 to 10, , C Quick cut die stock, , C 8 to 12, , D Adjustable saw plate die, , D 10 to 12, 57 What is the use of a V block?, 50 How many threads usually chamfered in a intermediate tap?, , A To mark square blocks, B To clamp small work pieces, , A 3 or 4, , C To fix square blocks for drilling, , B 2 or 3, , D To hold large square block for drilling, , C 1 or 3, , 58 What is the use of pipe vice?, , D 2 or 5, 51 Which tool is used to align and drive the hand taps, correctly into the hole?, , A To hold pipes, B To hold iron blocks for marking, , A Pin vice, , C To hold square blocks for drilling, , B Hand vice, , D To hold solid iron blocks for drilling, , C Tap wrenches, , 59 How do you specify the pipe vice?, , D Pipe wrenches, , A Minimum outside dia of pipe they can hold, , 52 Which is the most commonly used tap wrench?, , B Minimum length of pipe size they can hold, , A T-handle tap wrench, , C Maximum length of pipe size they can hold, , B Solid type tap wrench, , D Maximum outside dia of pipe they can hold, , C Single ended adjustable tap wrench, D Double ended adjustable tap wrench, 53 Which tap wrench having adjustable chucks with two, jaws?, A Solid tap wrench, , 60 Which pipe vice can hold an outside dia of 200 mm?, A Open pipe vice, B Chain pipe vice, C Hinged pipe vice, D Self locking pipe vice, , B T-handle tap wrench, C Single ended tap wrench, D Double ended tap wrench, 54 What should be the tap drill size hole to be maintained, before making tap?, A Dia of hole same as tap drill, B Dia of hole more than tap drill, C Dia of hole too smaller than drill, D Dia of hole should have sufficient material in the, hole, 55 What is the use of threading dies?, A To cut internal threads, , 61 Which tool is used to make marking lines on round, bars or tubes?, A Try square, B Set square, C Box square, D Vernier caliper, 62 Which instrument is used for measure, testing and, marking out purposes with other surfaces?, A Angle plate, B Corner plate, C Surface plate, D Box square plate, , B To cut external threads, C To cut straight thread internally, D To cut tapered threads internally, , 44, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.21 & 1.2.22, , Copyright Free under CC BY Licence

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63 Which tool is used on a fixture for holding the work to, be laid out and machined?, A Try square, , 67 How to check internal threads?, A Limit gauges, B Thread plug gauges, , B Angle plate, , C By using micrometer, , C Surface plate, , D By using internal caliper, , D Key - seat rule, 68 How to check the accuracy of an external thread?, 64 Which material used to make surface plate and angle, plate?, , A By Wire gauges, B By Limit gauges, , A Cast iron, , C By Thread ring gauges, , B Mild steel, , D By Thread plug gauges, , C Aluminium, , 69 What is the tolerance level designed to be kept with, limit gauge?, , D Stainless steel, 65 Which component provides most economical method, of checking within the tolerance limit?, , A One fifth of the designed standard, B One tenth of the designed standard, , A Wire gauge, , C One fiftiethof the designed standard, , B Limit gauge, , D One hundredth of the designed standard, , C Feeler gauge, D Temperature gauge, 66 Checking for a specific dimension and if quick checking, is required, which tool or instrument is used?, , 70 Which gauge carry the GO and NO GO indication in a, testing device?, A Wire gauge, B Limit gauges, , A Try square, , C Thread ring gauges, , B Wire gauge, , D Thread plug gauges, , C Limit gauge, D Temperature gauge, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.2.21 & 1.2.22, , Copyright Free under CC BY Licence, , 45

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Copyright Free under CC BY Licence

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Module - 3, Wires,Joints - Soldering - U.G. Cables, ASSESSMENT CRITERIA, On completion of this module you shall be able to complete the following, assessment criteria, • Observe safety/ precaution during joints & soldering, • Make simple straight twist and rat-tail joints in single strand, conductors, • Make married and 'T' (Tee) joint in stranded conductors, • Prepare a Britannia straight and 'T' (Tee) joint in bare conductors, • Prepare western union joint in bare conductor, • Solder the finished copper conductor joints with precaution, • Prepare termination of cable lugs by using crimping tool, • Make straight joint in different types of underground cables, • Measure insulation resistance of underground cable, • Identify types of wires, cables and verify their specifications., , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.3.24 to 1.3.26, Electrician - Wires, Joints - Soldering - U.G Cable, Choose the correct answer, 1 The smallest particles of the substance is called as...., , 7 Which shell is the nearest to the nucleus?, , A atom, , A L, , B matter, , B M, , C molecules, , C K, , D tiny particles, , D N, , 2 The central part of the atom is called as...., , 8 An aluminium atom has......, , A proton, , A 2 shells, , B neutron, , B 3 shells, , C nucleus, , C 4 shells, , D electrons, , D 5 shells, , 3 The nucleus of an atom contains the particles of....., , 9 How many protons are in Aluminium atom?, , A neutrons only, , A 13, , B protons & neutrons, , B 15, , C electrons & protons, , C 18, , D neutrons & electrons, , D 29, , 4 How many times proton is heavier than the electron?, A 1240, , 10 The particles revolving on the outermost orbit in an atom, is called as........., A protons, , B 1460, , B neutrons, , C 1720, , C electrons, , D 1840, , D valence electrons, 5 Which part of an atom is having negative electric, charge?, , 11 The flow of free electrons in a conductor is called as...., , A Proton, , A current, , B Nucleus, , B current density, , C Neutron, , C conductivity, , D Electron, , D conductance, , 6 If the number of protons in an atom is 29, then the, number of electrons are......., A 18, , 12 Which is the good conductor of electricity?, A Copper, B Silver, , B 25, , C Aluminium, , C 29, , D Brass, , D 32, , 46, , Copyright Free under CC BY Licence

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13 How many electrons are in copper Atom?, A 13, , 20 Which is the cause to flow the current in an electrical, circuit?, A Energy, , B 15, , B Resistance, , C 18, , C Voltage source, , D 29, , D Power, 14 How many shells are in copper atom?, 21 The direction of conventional current in electrical circuit, is from....., , A 2, B 3, , A -ve terminal to +ve terminal, , C 4, , B +ve terminal to -ve terminal, , D 5, , C same direction of free electrons flow, , 15 How many valance electrons are in a semi conductor?, A 2, , D same direction of valence electrons flow, 22 The unit of current is....., , B 3, , A volt, , C 4, , B ohm, , D 5, , C watt, , 16 Which is semi conductor?, A Zinc, , D ampere, 23 In terms of number of electrons flow, one ampere is, defined that...., , B Lead, C Mica, , A 624.0x1012 electrons flow per seconds, , D Silicon, , B 62.4.0x1014 electrons flow per seconds, , 17 How many valance electrons are in an aluminium, conductor?, A 1, , C 6.24.0x1016 electrons flow per seconds, D 6.24.0x1018 electrons flow per seconds, 24 The current is measured by....., , B 2, , A Ammeter, , C 3, , B Voltmeter, , D 4, , C Wattmeter, , 18 Which is the semi conductor substance?, A tin, , D Ohmmeter, 25 One milli-ampere (1 mA) = .....Amp, , B zinc, , A 1 x 10-3 Amp, , C Manganin, , B 1 x 103 Amp, , D Germanium, , C 1 x 102 Amp, , 19 The purpose of the control device (switch) in a simple, electrical circuit is to....., A start (or) stop the flow of current, B provide the path for the current to flow, C control the amount of current through load, D regulate the rated supply voltage, , D 1 x 10-2 Amp, 26 Electro Motive Force (EMF) ‘E’ can be calculated by, the formula....., A E = P.D - Voltage drop, B E = P.D + Voltage drop, C E = P.D + Voltage drop/2, D E = P.D + 2 times of voltage drop, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence, , 47

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27 Potential difference P.D is always....., A equal to E.M.F, , 34 The initially available electrical source which causes, the current to flow in the circuit is called as......., A ohmic drop, , B half of the E.M.F, , B voltage drop, , C lesser than E.M.F, , C Potential Difference (P.D), , D greater than E.M.F, , D Electro Motive Force (E.M.F), 28 Potential difference P.D can be measured by....., 35 The Quantity of electricity (Q) is the product of......, , A Ammeter, , A current x time, , B Voltmeter, , B voltage x current, , C Wattmeter, , C current x resistance, , D Ohmmeter, , D voltage x time, 29 The unit of resistance is...., 36 The unit of quantity of electricity is...., , A Volt, , A mho, , B Ohm, , B coulomb, , C Watt, , C volt/second, , D Ampere, , D ampere/second, 30 One Mega ohm (MΩ) is equal to..........., 37 1 Coulomb = .........., , A 10 KΩ, , A one volt/second, , B 100 KΩ, , B one ohm-second, , C 1000 KΩ, , C one ampere/second, , D 1000000 KΩ, , D one ampere second, 31 Wheat stone bridge is used to measure...., 38 The alternating current (AC) supply is represented by, the symbol......, , A low resistance, B high resistance, , A -, , C medium resistance, , B ~, , D insulation resistance, , C +ve, , 32 When steady current (DC) passes through a solution, of silver nitrate in water deposists silver at the rate of, 1.118 mg per second at the cathode is called....., , D -ve, 39 The most common source of DC supply is...., , A coulomb, , A alternator, , B ampere second, , B inverter, , C international ampere, , C cycle dynamo, , D conventional ampere, , D batteries, , 33 The property of a conductor that conducts the flow of, current through it, is called as...., A conductivity, B conductance, C current density, , 40 The polarity of direct current (DC) is...., A phase (L) and neutral (N), B phase (L) and negative (-ve), C positive (+ve) and neutral (N), D positive (+ve) and negative (-ve), , D quantity of electricity, , 48, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence

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41 Which is the source of AC supply?, A Rectifier, , 47 When testing the polarity of cell, if the pointer of the, meter deflects below zero as in the figure, indicates...., , B Dynamo, C Alternator, D Inverter, 42 In AC supply, the polarities are marked as...., A L:N, B P:N, C L+ : LD Ph : Ne, 43 The unit of frequency of AC supply is...., A Hertz, , A polarities are correct, , B cycle, , B cell is short circuited, , C Hertz/second, , C cell is open circuited, , D cycles-second, , D polarity is not correct, , 44 The AC supply voltage used for lighting circuit in India, is ...., , 48 Which range of voltmeter is suitable for testing the, polarity of the battery?, , A 220 volt, , A Low range, , B 230 volt, , B High range, , C 240 volt, , C Medium range, , D 250 volt, , D Very high range, , 45 Three cells of 2 volts each, are connected in series, Find the total voltage across the terminals?, , 49 In DC source the +ve terminal of the lead’s colour is...., A red, , A 2V, , B blue, , B 4V, , C black, , C 6V, , D green, , D 8V, , 50 The top of the dry cell is always marked as...., , 46 Which type of meter is to be used to test the polarity, of cell?, A Moving iron ammeter, B Moving iron voltmeter, , A -ve, B +ve, C +ve and -ve, D earth symbol, , C Moving coil voltmeter, D Dynamo meter type wattmeter, , 51 When checking the polarity of supply by using neon, lamp indicator, if the lamp will glow in two electrodes?, A AC power supply, B Pulsating DC supply, C DC supply positive polarity, D DC supply negative polarity, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence, , 49

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52 Which is the example for chemical effect of electric, current?, , 58 What is the purpose of the joints in electrical, conductors?, A To extend the cables and to tap the electricity to, other branches, , A Electric bell, B Batteries, , B For increasing the conductivity of the cables, , C Electric motor, , C To inspect the circuit section by section easily, , D Electric heater, , D To reduce the voltage drop, 53 Which effect of electric current is applied in mercury, vapour lamps?, A Heating effect, , 59 The aluminium cable termination holes in the, accessories are under sized, because...., A the aluminium conductor’s strands ends can be cut, easily, , B Magnetic effect, C Chemical effect, , B the aluminium cables are more flexible than copper, cables, , D Gas ionization effect, 54 Electric geysers are the example of which effect of, electric current?, , C the holes of the accessories are designed for copper, cable ends only, D the aluminium cables can be easily inserted to the, termination holes, , A Heating effect, B Magnetic effect, , 60 Electrical conductors are inter layed together and form, two or more conductors such that their joints becomes, secured both electrically and mechanically is called, as..., , C Chemical effect, D Special rays effect, 55 What is the disadvantage of aluminium cables, compared to copper cables?, , A wire joints, , A High melting point, , B cables ends, , B Low melting point, , C cable connection, , C Low specific resistance, , D cables termination, , D Heavier in weight, , 61 The another name of twisted joint is called as......., , 56 To avoid nicking of the conductor during skinning of the, cables by using electricians knife, the angle to the axis, of the core will be kept at....., A 15°, , A rat rail joint, B scarfed joint, C married joint, D britannia joint, , B 20°, 62 In which place, the married joint is used?, , C 25°, , A Where more mechanical strength is required, , D 30°, , B Where the considerable tensile strength is required, 57 While handling the aluminium conductors, what, precaution to be followed compared to copper, conductor?, A Extending of joints can be avoided, B More than rated size of solid aluminium conductors, to be avoided, C Bending or twisting of aluminium conductor to be, avoided, D Using of more number of strands of aluminium, conductors to be avoided, , C Where appreciable electrical conductivity is required, D For over head lines for tapping the electrical power, to service lines, 63 Which type of joint is used on over head lines for, considerable tensile strength is required?, A Scarfed joint, B Britannia ‘T’ joint, C Western union joint, D Britannia straight joint, , 50, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence

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64 Which type of joint is used in overhead lines for, extending the length of wire?, , 70 What is the identification of the earth terminal in a three, pin plug?, , A Married joint, , A Smaller than the neutral terminal, , B Scarfed joint, , B Sleeve is provided on the terminal, , C Britannia ‘T’ joint, , C Bigger than the other two terminals, , D Western union joint, , D Smaller than the phase (live) terminal, , 65 The type of tap joint is used where the two wires are to, be tapped at same time is called as...., A aerial tap joint, , 71 What is the colour of the neutral (N) of 3 core cable?, A Red, B Black, , B knotted tap joint, C duplex cross-tap joint, , C Green, D Yellow, , D double cross-tap joint, 66 Which type of tap joints is suitable for low current circuit, only?, A Plain tap joint, , 72 Which is the cause for electrical fire risk of connection, of terminals?, A The connection is over tightened, B The insulation is more than required, , B Aerial tap joint, , C The capacity of the plug is adequate, , C Knotted tap joint, D Duplex cross joint, 67 What is the effect of wrong termination of cables?, , D The current carrying capacity of the cable is, inadequate, 73 Name the part marked as ‘X’ ?, , A Mechanical strength will be less, B No effect on the cables terminations, C It will reduce the life of electrical devices, D It will lead to overheat the terminating points of, cables, 68 What is the name of the tool?, A Metal shroud, B Rubber shroud, C Braided sleeve, D Weather proof sleeve, A Combination plier, , 74 What is the frequency of AC supply in India?, , B Wire stripper, , A 40 HZ, , C Crimping tool, , B 50 HZ, , D Flat nose plier, , C 60 HZ, , 69 What is the purpose of soldering the loop for the, stranded conductor?, A Avoid loose connection, B Prevent the strands getting fray, C Improve the insulation resistance value, D Increase the electrical conductivity of the conductor, , D 70 HZ, 75 What is the rated voltage of single phase AC supply?, A 220 V, B 230 V, C 240 V, D 250 V, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence, , 51

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76 What will happen if polarity is changed in polarised, instrument?, A Will not work, , 83 The insulation resistance is measured in..., A Ohm, B kilo ohm, , B Works normally, , C Mega ohm, , C Instrument gets damaged, , D Micro ohm, , D Indicates reading with error, 77 Which is used to test the +ve and -ve terminal of DC, supply?, A Neon tester, , 84 The measure of potential difference the insulation layer, can with stand without breaking down called as......, A flexibility, B dielectric strength, , B M.I ammeter, , C breaking capacity, , C M.I voltmeter, , D rupturing capacity, , D Neon polarity indicator, 85 Which is the electrical conductor?, 78 The generated heat in a conductor depends on......., A Voltage, , A Mica, B Wood, , B Square of the current, , C Rubber, , C Square of voltage, , D Copper, , D Voltage drop, 86 Which is the insulating material?, 79 On what effect flourescent tube lights are glowing?, A Heating effect, , A Silver, B Copper, , B Chemical effect, , C Porcelain, , C Magnetic effect, , D Aluminium, , D Gas ionization effect, 87 How the conductors are classified?, 80 How the conductors are graded?, A Shape, , A Number of strands, B The type of covering, , B Voltage, , C Type of material, , C Current, , D Current carrying capacity, , D Resistance, 88 The size of the conductors are specified by its...., 81 How the PVC insulation on the conductors are graded?, A Shape, , A length, B weight, , B Current, , C specific resistance, , C Colour, , D diameter in mm, , D Voltage, 89 Which type of conductors are used for earthing?, 82 What is the purpose of armouring in armoured cables?, A To protect metallic sheath, B To protect the cable from moisture, C To protect the cable from atmospheric condition, , A Bare conductor, B Stranded conductor, C Insulated conductor, D Super enamelled conductor, , D To protect the cable from mechanical injury, , 52, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence

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90 The stranded conductor is designed of its size as, 7/1.40. what does 1.40 indicate..., A Strandard wire gauge in number, B Diameter of one conductor in mm, C Area of cross section of one strand, D Total area of cross section of all strands, 91 A solid substance which is subjected to tensile stress, with or without screen is called as...., A wire, , 97 What are the points to be considered while selecting, the cable size?, A The total working load, the type of wire, the type of, supply, B The type of wiring, the cost of cables, the proposed, connected load, C The type of insulation of wire, number of points,, and the available supply voltage, D The proposed connected load, future change in load, 98 Which tool/instrument is used to measure the size of, the wire?, , B core, C cable, , A Steel rule, , D armoured cable, , B Vernier caliper, , 92 The main property of the insulating material is...., A high dielectric strength, B high specific resistance, , C Measuring steel tape, D Standard Wire Gauge (SWG), 99 Name the tool/instrument?, , C low insulating resistance, D more electrical conductivity, 93 Which insulating material is used for insulation tapes?, A Mica, B Fibre, C Plastic, D Leathroid, 94 By which material the friction insulation tape is made, of ?, A P.V.C (plastic) tapes, B Varnished cambric tape, C Rubber with adhesive material, D Impregnated cotton cloth with adhesive, 95 Which type of insulating tape is used more than the, other tapes?, , A Feeler Gauge, B Height Gauge, C Standard Wire Guage (SWG), D American Wire Gauge (AMG), 100 In SWG, the number marked from...., , A Friction tape, , A 0 to 34, , B Rubber tape, , B 0 to 36, , C Plastic tape (P.V.C tape), , C 0 to 38, , D Varnished cambric tape, , D 0 to 40, , 96 What is the necessity of measuring the wire size?, A To prepare the wiring estimation, B To increase the electrical conductivity, C For comparing different types of wire sizes, D For keeping the record of available size of wires, , 101 In an American Wire Gauge (AWG), the diameter of, the wire size is represented in...., A cm, B mm, C inch, D mils, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence, , 53

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102 One milli inch....., , 108 While measuring the size of wire by using standard, wire gauge, before inserting into the slot, the wire should, be....., , A 1 inch, B 1/100th part of an inch, C 1/1000th part of an inch, D 1/10000th part of an inch, 103 What is the accuracy (or) least count of the outside, micrometer?, , A skinned, B cleaned, C polished, D trimmed, 109 Which size of conductor is bigger in diameter, when it, is measured by SWG?, , A 0.01 mm, B 0.001 mm, , A 14 swg, , C 0.002 mm, , B 18 swg, , D 0.02 mm, , C 21 swg, , 104 Name the part marked ‘X’ in micrometer?, , D 36 swg, 110 The function of Ratchet stop in micrometer is to....., A lock the spindle at a desired position, B stop the movement to stand still position, C move the spindle to the distance of the pitch, D ensure the uniform pressure between the measuring, surface, 111 In metric micrometer, the pitch of the spindle thread, is....., , A Anvil, , A 0.1 mm, , B Thimble, , B 0.2 mm, , C Spindle, , C 0.5 mm, , D Ratchet stop, , D 0.01 mm, , 105 The micrometer works on the principle of....., A levers, , 112 In micrometer, if the spindle advances by 0.5 mm,, then the number of thimble’s rotation is....., , B screw and nut, , A 1 rotation, , C wheel and axle, , B 2 rotation, , D simple machine, , C 3 rotation, D 0.5 rotation, , 106 The frame of the micrometer is made of....., 113 What is the reading on thimble of micrometer?, , A forged steel, B stainless steel, C low carbon steel, D high speed steel, 107 In micrometer the datum line and graduation are, marked in....., A anvil, B barrel, , A 0.50 mm, , C ratchet, , B 0.05 mm, , D thimble, , C 4.00 mm, D 5.00 mm, , 54, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence

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114 While taking reading from the micrometer, the spindle, must be....., , 120 The rating factor of close excess current protection, is....., , A kept in vertical position, , A 0.637, , B locked with the reading, , B 0.707, , C kept in horizontal position, , C 0.81, , D adjusted for correct reading, , D 1.23, , 115 Which is the spade lug connector?, , 121 The normal current carrying capacity of a cable is 16, AMPS, if it is protected by coarse excess current, protection, what will be current capacity of the same, cable?, A 11 A, B 13 A, C 16 A, D 18 A, 122 The current capacity of the circuit is 20 Amp what is, the total current capacity of the cable if it is protected, by the close excess current protection?, , 116 The current carrying capacity of the particular cable, mainly depends on......, , A 16.20 Amp, B 20.00 Amp, , A the type of insulation, , C 24.60 Amp, , B the voltage grading of cable, , D 26.25 Amp, , C the type of wiring installation, D the type of conductor (material), 117 The example of coarse excess current protection is....., , C high melting point, , B MCCB, , D more mechanical strength, , C H.R.C fuse, D rewirable type fuse, 118 Which device is the example for close excess current, protection?, , B HRC type fuses, C Rewirable type fuse, D Miniature Circuit Breaker (MCB), 119 The rating factor of coarse excess current protection, is....., , C 1.11, , 124 As per voltage grading classification, the range of High, Voltage (H.V) is defined as...., A from 0 to 250 volt, B exceeding above 33000 volt, , A Mica fuse, , B 1.23, , A rigid, B flexible, , A M.C.B, , A 1.5, , 123 The main advantage of stranded conductor over solid, conductor is....., , C exceeding 250 V but not exceeding 650V, D exceeding 650 V but not exceeding 33000V, 125 The voltage range from 650 to 33000 V is classified, as...., A Low Voltage (LV), B High Voltage (HV), C Medium Voltage (MV), D Extra High Voltage (EHV), , D 0.81, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence, , 55

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126 What is the minimum voltage range of extra high, voltage?, A 11000V, , 129 Which voltage grading 415 V comes under?, A Low voltage, B High voltage, , B 22000V, , C Medium voltage, , C 33000V, , D Extra high voltage, , D 66000V, 130 Which comes under high voltage grading?, 127 Which is the advantage of crimping terminations?, A Better electrical conduction, B Give neat appearence, C Crimping is faster and easier, , A 650 V, B 110 KV, C 11000 V, D 66000 V, , D More mechanical strength, 128 Which factor affect the current rating of cables?, A Shape of the cable, B Colour of insulation, C Purpose of connection, D Cable run in conduit (or) in open, , 56, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.24 to 1.3.26, , Copyright Free under CC BY Licence

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Electrical, Assignment for Exercise 1.3.27 to 1.3.29, Electrician - Wires, Joints - Soldering - U.G Cables, Choose the correct answer, 1 Name the joint?, , 6 The fine solder is used for...., A tinning, B fine soldering, C heavy duty soldering, D soldering electrical joints, , A ‘Tee’ joint, B Married joint, , 7 The metal alloy used as a bonding agent in soldering, is called as..., , C Rate Tail Joint, D Western union joint, , A solder, B soldering bit, , 2 Name the joint?, , C soldering flux, D molten solder, 8 The substance used to dissolve oxides on the surface, of conductor during the soldering process is called as...., A fine solder, B soldering bit, C soldering flux, A Married joint, , D molten solder, , B Britannia joint, , 9 Zinc chloride soldering flux is used for soldering...., , C Western union joint, D Britannia ‘TEE’ joint, 3 The process of joining two metal plates (or) conductors, without melting them is called as..., , A zinc, B bronze, C gun metal, D galvanised iron, , A brazing, 10 The soldering flux which is used for soldering electrical, conductors is....., , B welding, C soldering, , A resin, , D galvanising, , B zinc chloride, , 4 What is the necessity of soldering joints?, , C sand aluminium, , A To extend the connection of wiring, , D hydrochloric acid, , B To inspect soldered joints easily, C To give good appearance of soldered joints, D For good mechanical strength and, electrical conductivity, , 11 The purpose of the soldering flux is to...., A maintain uniform soldering, B prevent the highly corrosive effect, C penetrate easily on the joint surface, , 5 The composition of Tinman’s solder is...., , D prevent re-oxidation during the soldering process, , A Tin 35% and lead 65%, B Tin 50% and lead 50%, C Tin 60% and lead 40%, D Tin 90% and lead 10%, 57, , Copyright Free under CC BY Licence

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12 The substance which facilitates the flow of the solder, through surface to be soldered is called as..., , 17 Most of the soldering iron bits are made of copper, because it is....., , A solder, , A easy to clean, , B soldering bit, , B having high melting point, , C soldering flux, , C good conductivity of heat, , D bonding agent, , D cheaper than other material, , 13 Which method of soldering is widely used for soft, soldering?, , 18 To make a good soldering joints, the bit must be...., A held firmly on the soldering iron, , A Dip soldering, , B applied over the job uniformly, , B Soldering iron, , C maintain clean and smooth, , C Soldering gun, , D heated upto the maximum range, , D Soldering with a flame, 14 Soldering gun method is used for soldering....., , 19 If the iron plated bits are worn out, the good remedy is, to...., , A soft soldering work, , A file the worn out bit, , B the components on PCB, , B replace with new bit, , C servicing and repair work, , C recondition the worn out bit, , D piping and soldering work, , D clean the bit by using wire brush, , 15 In which method of soldering, the temperature can be, controlled very accurately?, , 20 The process, in which the tip of the soldering iron is, coated with the solder is known as...., , A Dip soldering, , A surface soldering, , B Soldering iron, , B applying the solder, , C Soldering with flame, , C wetting of soldering, , D Soldering gun method, , D tinning of soldering iron, , 16 Which type of soldering method is shown in Fig?, , 21 What is the main safety precaution to be followed to, avoid the damage of soldering iron?, A Keep the iron in a stand when not in use, B Check the soldering iron bit for required heat, C Keep the iron in suspending position after use, D Keep the iron nearer to the parts to be soldered, 22 The defective in soldering joint is called as....., A hot solder, B cold soder, , A Dip soldering, , C safety solder, , B Soldering gun, , D endangered joint, , C Soldering iron, D Soldering with flame, , 23 ‘ALCAP’ solder is used for soldering...., A zinc plates, B brass terminals, C copper conductors, D aluminium conductors, , 58, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.27 to 1.3.29, , Copyright Free under CC BY Licence

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24 The commercial name of flux used for joining aluminium, conductor is....., , 27 In soldering process, good wetting results can be, obtained from........, , A ALCAP, , A very low heat, , B ker-al-lite, , B In oil surfaces, , C eyre No.7, , C untinned surfaces, , D organic flux, , D sufficient flux of correct type is used, , 25 The temperature of the solder for soldering aluminium, conductor must be maintained within....., A 360°, , 28 Which is to be added to recondition the solder?, A Tin, B Zinc, , B 420°, , C Lead, , C 540°, , D Rosin, , D 600°, 26 What effect will occur, during the operation of joining, aluminium conductor?, A Inhaling copious toxic fumes, B Spreading of molten solder, C Increasing the surface area, D Formation of slug on the molten solder, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.27 to 1.3.29, , Copyright Free under CC BY Licence, , 59

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Electrical, Assignment for Exercise 1.3.30 to 1.3.33, Electrician - Wires, Joints - Soldering - U.G Cables, Choose the correct answer, 1 What is the advantages of using U.G cables?, A Easy fault finding, , 6 What is meant by non-hygroscopic insulating, materials?, , B Easy and simple joints, , A Non-inflammable, , C Better voltage regulation, , B High insulation resistance, , D Less insulation problem at high voltage, , C Not affected by acids and alkalies, , 2 Which is the disadvantage of using U.G cables?, A More chances of fault, B The cost of joints is more, C High maintenance cost, D Poor voltage regulation, , D Not absorb moisture from air of soil, 7 Which insulation has high insulation resistance and, good dielectric strength?, A VIR, B PVC, C Rubber, , 3 Why cable conductors are stranded?, , D Varnished cambric, , A To carry more voltage, B To carry more current, , 8 VIR stands for........, A Varnished India Rubber, , C To make joints easily, D To increase the insulation resistance, , B Vulcanished Indian Rubber, C Vacuum Insulated Rubber, , 4 Name the part ‘X’?, , D Vulcanished Insulated Rubber, 9 What is the voltage range of extra high tension cable?, A Upto 1100V, B Upto 11000V, C Beyond 132 KV, D From 33 to 66 KV, 10 What is the voltage grading of screened cable?, A Upto 11KV, A Core, , B Upto 1100V, , B Bedding, , C Beyond 66 KV, , C Serving, , D From 22KV to 66 KV, , D Armouring, 5 Which part protect UG cables from mechanical injury?, , 11 Which insulated cable ends are temporarily covered, with wax of far?, , A Serving, , A PVC, , B Bedding, , B Rubber, , C Armouring, , C Impregrated paper, , D Lead sheath, , D Varnished cambric, , 60, , Copyright Free under CC BY Licence

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12 Which cable leakage currents are diverted to earth, through metallic screens?, , 18 Name the method of cable laying?, , A Belted type, B PVC cables, C Pressure cables, D Screened cables, 13 In which cable nitrogen gas helps in quenching flame?, A MI cables, B PILC cables, C XLPE cables, D Gas pressure cables, 14 Why impregneated cable ends are temporarily covered, with wax’?, A To protect from dust, , A Laying into ducts, , B To protect from acids, , B Laying direct in ground, , C To reduce absorption of moisture, , C Laying along buildings (or) structure, , D To increase insulation resistance, , D Laying on racks in air and inside a tunnel, , 15 Name the type of cable?, , 19 While laying cables direct in ground which is used to, protect the cable, A Asbestos, B Brick, C Wood, D Blue metal, 20 In which cable laying method it is essential to maintain, the direction of cable curvature?, A Laying in ducts, , A Oil filled cables, , B Laying along buildings, , B Pressure cables, , C Laying direct in ground, , C Mineral insulation cable, , D Laying on racks in air and inside a cable tunnel, , D Separated lead type cable, 16 In which type cable lead sheath belt covered to avoid, mechanical injury?, , 21 To connect the cable on the top of a pole with air break, switches, which type of terminations are used?, A ‘T’ shirt connection, , A Gas pressure cable, , B Straight first connection, , B PILC cables, , C Trifurcating connection, , C XLPE cables, , D Epoxy straight first connection, , D PVC insulated cables, 17 What is the size of neutral (black colour) core in 100, 1, sq mm 3 core cable?, 2, , A 25 sq mm, B 50 sq mm, C 75 sq mm, D 100 sq mm, , 22 If the insulation between two conductors is faulty and, zero current flows between them, what is the name of, this fault?, A Ground fault, B Open circuit fault, C Short circuit fault, D Earth leakage fault, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.30 to 1.3.33, , Copyright Free under CC BY Licence, , 61

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23 If the insulation of a cable breakdown causing a flow of, current from the core of the cable to the lead sheath,, what is this fault?, A Leakage fault, B Open circuit fault, C Short circuit fault, , 24 On what principle Murray loop test works to find out, the open and short circuit fault of a cable?, A Ohms law, B Meter bridge, C Kirchoff’s law, D Wheatstone bridge, , D Ground fault, , 62, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.3.30 to 1.3.33, , Copyright Free under CC BY Licence

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Module - 4, Basic Electrical Practice, ASSESSMENT CRITERIA, On completion of this module you shall be able to complete the following, assessment criteria, • Verify the characteristics of series, parallel and its combination circuit, • Analyze the effect of the short and open in series and parallel circuits, , Copyright Free under CC BY Licence

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Copyright Free under CC BY Licence

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Electrical, Electrician - Basic Electrical Practice, , Assignment for Exercise 1.4.34, , Choose the correct answer, , A Switch, Voltage, Fuse, B Current, Fuse, Conductor, C Electro motive force, Current, Resistance, D Potential Difference, Quantity of Electricity,, Resistance, 2 Electro Motive Force (EMF) is required to........, A protect the circuit from the fault, B drive the electrons through the circuit, C control the flow of electron in a conductor, D limit the current in the circuit, 3 Current is represented by alphabetic letter........, , 7 The unit of reciprocal of resistance is...., A Mho (, , Ω, , 1 What are the three factors essential to make a simple, electrical circuit?, , ), , B Ohm(Ω), C Volt (V), D Ampere (A), 8 The formula to find the current (I) as per ohm’s law is, ........., A I = R/V, B I = VR2, C I = V/R, D I = VR, 9 Find the current in the circuit?, , A C, B I, C R, D V, 4 Potential difference (Pd) is represented by alphabetic, letter........, A V, B E, C A, D W, , A 1.5 Amp, , 5 Ohm’s law states the relation between.........., , B 2.0 Amp, , A Current, E.M.F and voltage, , C 2.5 Amp, , B E.M.F, Current and Resistance, , D 3.0 Amp, , C Temperature, Resistance and E.M.F, D Voltage, Specific Resistance, Resistance, 6 As per ohm’s law, the current is............, A directly proportional to the voltage, B inversely proportional to the voltage, C directly proportional to the resistance, D inversely proportional to the temperature, , 10 If an electrical circuit, is opened, then the value of, resistance of the circuit will be......, A low, B high, C zero, D infinity, 11 If short circuit is occurred in an electrical circuit, then, the value of resistance will be..........., A low, B high, C zero, D infinity, 63, , Copyright Free under CC BY Licence

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Electrical, Electrician - Basic Electrical Practice, , Assignment for Exercise 1.4.35, , Choose the correct answer, 1 Which law states that, at each junction of currents,, the sum of the incoming currents is equal to the sum, of the outgoing currents?, , 4 Find the voltage drop across the resistor ‘R4’ in the, circuit, by applying Kirchoff’s law?, , A Ohm’s law, B Kirchoff’s first law, C Kirchoff’s second law, D Convention law of current, 2 Find the current “I3” in the circuit, by applying kirchoff’s, law?, , A 48 V, B 72 V, C 80 V, D 100 V, 5 As per the Kirchoff’s law, which is the correct, expression of the currents in the circuit?, , A 1.1 A, , A I1 + I2 - I3 = I4 - I5, , B 2.2 A, , B I1 + I2 = I3 + I4 + I5, , C 5.5 A, , C I1 + I2 + I3 = I4 + I5, , D 6.6 A, , D I1 + I2 + I3 - I4 - I5 = 0, , 3 Which law states that in each closed circuit the sum, of the voltage drops is equal to the applied terminal, voltage?, , 6 The name of the closed loop - 1, in the circuit is.........., , A Ohm’s law, B Lenz’s law, C Kirchoff’s first law, D Kirchoff’s second law, A fcdef, B abcdef, C bcdefab, D abcdefa, , 64, , Copyright Free under CC BY Licence

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7 Which is the correct sequence of closed loop - 2 in the, circuit?, , 8 What is meant by “rise in potential” in a circuit while, applying Kirchoff’s law?, A - ve to + ve, B + ve to - ve, C Source through switch, D Source through resistor, , A abcda, B cdefc, C fcdef, D defcd, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.4.35, , Copyright Free under CC BY Licence, , 65

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Electrical, Assignment for Exercise 1.4.36 & 1.4.37, Electrician - Basic Electrical Practice, Choose the correct answer, 1 In an electrical circuit, if current flows in only one path, through the resistor it is called as........., , 5 What is the voltage drop in 4 ohm resistor shown in, the circuit?, , A open circuit, B series circuit, C parallel circuit, D series and parallel circuit, 2 The total resistance of the circuit is......., , A 6V, B 8V, C 12 V, D 16 V, 6 What is the total voltage of the circuit?, , A 1.0 V, B 1.5 V, C 3.0 V, D 4.5 V, A 6 ohm, , 7 Which is the application of series circuit?, , B 8 ohm, , A Fuse in circuit, , C 10 ohm, , B Voltmeter connection, , D 12 ohm, , C Electrical lamp in homes, , 3 What is the total resistance (R) if 3 resistors (R1, R2,, R3) are connected in series?, A R = R1 + R2 + R3, , D Shunt resistor in ammeter, 8 The total voltage in series circuit is equal to........., A the sum of the individual load voltage drop, , B R = R1 + R2/R3, C R = 1/R1 + 1/R2 + 1/R3, D R = R1 + R2 + R3 R1 R2 R3, 4 If two resistors of 8 ohm are connected in series, and 2, amps current is flowing in one resistor, what will be the, total current in the circuit........, , B the product of individual resistor voltage drop, C the sum of the reciprocals of the individual load volt, age, D the products of the any one values of resistor and, circuit current, , A 1 amp, B 2 amp, C 4 amp, D 8 amp, , 66, , Copyright Free under CC BY Licence

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9 What is the voltage drop in resistor ‘R2’ in the circuit?, , 14 What is the total current (I) of the circuit?, , A 5 volt, B 10 volt, C 15 volt, D 50 volt, 10 The current in a series circuit is..........., , 1, A I = I × I ×I, 1, 2 3, , A same throughout the circuit, , B I = I1 x I2 x I3, , B sum of individual resistor’s current, , C I = I1 + I2 + I3, , C depends individual resistance value, , D I= 1 + 1 + 1, , D calculated by product of resistance and voltage, 11 Series circuit is used for......., , I1, , I2, , I3, , 15 In parallel circuit the branch circuit voltage is......, , A domestic lighting, , A same as supply voltage, , B industrial lighting, , B half of the supply voltage, , C commercial lighting, , C depends on branch circuit current, , D for appliance testing, , D depends branch circuit resistance, , 12 The terminal voltage is calculated by........., , 16 The parallel circuit is used for........., , A VT = EMF / IR, , A house wiring, , B VT = EMF - IR, , B continuity test, , C VT = EMF x IR, , C decorative lighting, , D VT = EMF + IR, , D ammeter connection, , 13 If 2 resistors are connected in parallel then the total, resistance (RT) will be........, R1 + R 2, A RT = R ×R, 1, 2, R1 × R 2, B RT = R + R, 1, 2, , C RT = R1 x R2, D RT = R1 + R2, , 17 4 nos of 10 Ω resistors are connected in parallel. Find, the resultant resistance of the circuit?, A 2.5 Ω, B 5.0 Ω, C 10.0 Ω, D 40.0 Ω, 18 6 Ω resistor of 2 nos are connected in parallel across, 12 v supply, calculate the branch circuit current?, A 1A, B 2A, C 3A, D 4A, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.4.36 & 1.4.37, , Copyright Free under CC BY Licence, , 67

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Electrical, Assignment for Exercise 1.4.38 & 1.4.39, Electrician - Basic Electrical Practice, Choose the correct answer, 1 What is the value of resistance, if the circuit is shorted?, , 4 Calculate the current of the circuit?, , A Low, B High, C Zero, D Infinity, 2 What is the value of resistance,if the circuit is open?, A Low, B High, C Zero, D Infinity, 3 What is the total resistance value of the circuit?, A 100 mA, B 150 mA, C 200 mA, D 240 mA, 5 What voltage the voltmeter shows?, , A 0Ω, B 5Ω, C 60 Ω, D 5.5 Ω, , A 0V, B 2V, C 4V, D 6V, , 68, , Copyright Free under CC BY Licence

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6 What is the reading of voltmeter (v) in the circuit?, , 7 What values the ohm meter shows?, , A 0V, , A 0Ω, , B 6V, , B 5Ω, , C 9V, , C 10 Ω, , D 18 V, , D Infinity, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.4.38 & 1.4.39, , Copyright Free under CC BY Licence, , 69

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Electrical, Electrician - Basic Electrical Practice, , Assignment for Exercise 1.4.40, , Choose the correct answer, 1 Which factor is not depending upon the resistance of, the conductor?, A Length of the conductor, B The shape of the conductor, C The material of the conductor, D Cross sectional area of the conductor, 2 If the length of the conductor is reduced to 50%, then, the resistance of the conductor will........, A remain the same, , B ohm / metre, C ohm - metre, D micro ohm / cm2, 7 The resistance offered between the opposite faces of, the unit volume of that material is called as....., A resistivity, C conductivity, , C increase to double times, D decreases to half the value, 3 The diameter of the conductor is reduced to half of its, original dia, then the value of resistance will....., A increase to 2 times, , D conductance, 8 Which metal is the better conductor when compared, to other conductors?, A Silver, B Copper, , B increase to 4 times, , C Nichrome, , C decrease to 2 times, , D Aluminium, , D decrease to 4 times, , 9 The specific resistance of the copper conductor is......, , 4 The resistance of the conductor is inversely proportional, to its........, A length of the conductor, B density of the substance, C specific resistance of the material, D area of cross section of the conductor, 5 The relation between the length,(L) cross sectional, area(A) and specific resistance (ρ - rho)of the conductor, is expressed as.........., , ρL, B R= A, , A ohm / cm, , B resistance, , B increase to 4 times, , A, A R= ρL, , 6 The S.I unit of specific resistance (resistivity) is......., , A 3.75 ohm - metre, B 1.72 micro ohm / cm3, C 1.52 micro ohm / cms, D 38.5 micro ohm / cm3, 10 In the expression R = ρ l/a, the letter ‘ ρ ’ (rho), represents........, A length of the conductor, B resistance of the conductor, C specific resistance of the conductor, D area of the cross section of the conductor, 11 How many times Nichrome has more resistance than, copper?, A 40 times, , AL, C R= ρ, , B 50 times, , ρA, D R= L, , D 70 times, , C 60 times, , 70, , Copyright Free under CC BY Licence

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12 If two wires of the same material, same length and, same dia are connected in parallel. what will be the, resultant resistance?, A Equal to one wire resistance, B Increases to one time, C Increases to two times, D Decreases to half of one wire, 13 Which type of resistor is the simplest and most, economical of all other resistor?, A Film resistor, B Printed resistors, C Wire wound resistor, D Carbon composition resistor, 14 The heat generated in a resistor will be proportional to, the........, A value of voltage drop, B product of voltage and current, C resultant current through the resistor and time, D product of square of current and resistance, 15 What is the tolerance of the resistor, which is having, the 4th band in gold colour?, , 18 Which is the example for metal film resistor?, A Carbon, B Copper, C Ceramic, D Nichrome, 19 What is the minimum to maximum value range of the, resistor mentioned as 100K ± 5%?, A 95K Ω to 100KΩ, B 95K Ω to 105K Ω, C 95.5K Ω to 105.5K Ω, D 99.5K Ω to 105.05K Ω, 20 Which type of resistors are widely used for general, purpose electronic circuit?, A Metal film resistor, B Wire wound resistor, C Metal oxide film resistor, D Carbon composition resistor, 21 As per colour band coding of resistors, what is the, multiplier value of orange colour band?, A 102, B 103, , A ± 1%, , C 104, , B ± 2%, , D 105, , C ± 5%, , 22 What is the range of medium resistance?, , D ± 10%, 16 What is the value of resistance of the resistor?, , A 1 Ω to 100K Ω, B 1K Ω to 10K Ω, C 10K Ω to 100K Ω, D 100K Ω to 1000K Ω, 23 The example of low resistance value device is......., , A 330 ± 5%, , A heaters, , B 3300 ± 10%, , B insulation resistance, , C 33000 ± 2%, , C field winding resistance, , D 330000 ± 10%, , D shunt resistor in ammeter, , 17 Which is the correct way of representing the value of, 3300 Ω ± 10% tolerance resistor by using a typographic, code?, , 24 The low value resistance can be measured by........, A series ohmmeter, B substitution method, , A 3300 Ω ± 10%, , C kelvin bridge method, , B 3.3K Ω ; ± 10%, , D wheat stone bridge method, , C 3K 300 Ω ± 10%, D 33 x 102 Ω ± 10%, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.4.40, , Copyright Free under CC BY Licence, , 71

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25 Which method can be used for measuring low and, medium value of resistance?, , 32 Which device is the example for medium value of, resistance?, , A Substitution method, , A Armature winding, , B Kelvin bridge method, , B Heater resistance, , C Wheat stone bridge method, , C Series field, , D Voltmeter and ammeter method, , D Insulation resistance, , 26 High value of resistance can be measured by.........., A megger, , 33 The value of resistance above 100000 ohm can be, measured by........, A megger, , B wheatstone bridge, C shunt type ohmmeter, D series type ohmmeter, 27 When temperature increases, resistance also increases, non linearly, that resistor is called......., A Sensistors, , B wheat stone bridge, C shunt type ohmmeter, D series type ohmmeter, 34 What precaution must be taken in the circuit before, using ohmmeter?, A The supply is to be switched ‘ON’, , B Thermistors, , B Correct range of fuse must be used, , C Fixed resistor, , C The rated voltage supply to be checked, , D Variable resistor, , D The electric supply must be switched ‘OFF’, , 28 When temperature decreases, resistance also, decreases non linearly that resistor is called......., A Sensistors, , 35 The purpose of the shunt resistance used in series, type ohmmeter is for........, A limiting the current in the circuit, , B Thermistors, , B adjusting the pointer to zero position, , C Fixed resistor, , C increasing the value of meter resistance, , D Variable resistor, , D preventing the excess current in the circuit, , 29 Which resistors will reduce its resistance value with, increasing voltage?, , 36 In series type ohmmeter the scale range is marked as, ......., , A Light Dependent Resistance (LDR), , A 1 ohm to infinity (∞), , B Varistor (VDR), , B ‘0’ ohm to infinity (∞), , C Sensistors (PTC), , C ‘0’ ohm to 100 ohm (Ω), , D Thermistors (NTC), , D infinity (∞) to zero (0) ohm, , 30 Which resistor is used for measuring the intensity of, light?, , 37 The series type ohmmeter has non-linear scale,, because........., , A LDR, , A the resistance is directly proportional to the current, , B VDR, , B the current is inversely proportional to the resistance, , C Sensistors, , C the current is directly proportional to the voltage of, the battery, , D Thermistors, 31 Series type ohm meter can be used for measuring......, , D the resistance is directly proportional to the square, of the current, , A insulation resistance, B low value of resistance, C high value of resistance, D medium value of resistance, , 72, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.4.40, , Copyright Free under CC BY Licence

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38 The purpose of range switch which is provided in ohm, meter is to......, A adjust the zero adjustment, B switch ON the battery supply, C act as multiplying factor on the ohm’s scales, , 42 Which is the example for low resistance?, A Bulb, B Relay, C Heater, D Armature winding, , D get the actual value of measurement the scale, 43 Which band represents multiplier in resistors?, 39 The accuracy of the ohmmeter depends upon the......, A condition of the battery, B condition of the supply, C the scale range of the dial, , A First band, B Third band, C Fourth band, D Second band, , D value range of resistance to be measured, 44 Which band represents tolerance in resistors?, 40 In shunt type ohmmeter a spring-loaded push button, type switch is provided to........, A adjust zero position of the pointer, B switch ON and switch OFF the meter, C avoid draining of the battery during storage, D maintain the accuracy of the measurement reading, 41 The range of scale on the dial of shunt type ohmmeter, is marked as........., A 0 ohm to 1 ohm, B infinity ohm to 1 ohm, C 0 ohm to infinity ohm, , A First band, B Third band, C Fourth band, D Second band, 45 Which colour represents ± 10% tolerance in resistors, colour codes?, A Red, B Gold, C Silver, D Brown, , D infinity ohm to 0 ohm, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.4.40, , Copyright Free under CC BY Licence, , 73

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Electrical, Electrician - Basic Electrical Practice, , Assignment for Exercise 1.4.41, , Choose the correct answer, 1 Which is the correct name of the closed loop in the, circuit?, , 6 Which arms are called as ratio arms in the wheatstone, bridge?, , A ABCEA, B AB C DA, C ACDED, D AB D CA, , A P and S, , 2 The wheatstone bridge is used to......., , B Q and R, , A determine the value of unknown resistance, , C P and Q, , B measure the value of high range of resistance, , D P and R, , C determine the current flow in the parallel ratio arms, D measure the voltage drop in the parallel ratio arms, , 7 What is the indication on galvanometer, when the, wheatstone bridge is said to be balanced?, A Zero, , 3 Which instrument can be used to indicate the balanced, condition of the bridge circuit?, , B Full scale deflection, , A Galvanometer, , C Over full scale reading, , B Milli ammeter (M-C), , D Below zero negative reading, , C Shunt type ohmmeter, D Centre - zero Ammeter, 4 The range of full scale deflection of the instrument used, in wheatstone bridge shall be........, , 8 In wheatstone bridge, if P and Q are the ratio arms, ‘S’, is the variable arm, ‘R’ is the unknown resistor, then, the formula to find the value of ‘R’ is........, A R =, , P, ×Q, S, , B R =, , S, PQ, , C R=, , Q, ×S, P, , D R=, , P, ×S, Q, , A 15 micro Amps, B 25 micro Amps, C 50 micro Amps, D 100 micro Amps, 5 In the wheatstone bridge, the galvanometer is provided, with......, A the battery and switch, B a parallel resistance and switch, C the unknown resistor and switch, D any one of the known resistor arm, , 74, , Copyright Free under CC BY Licence

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9 In wheatstone bridge circuit, the bridge is balanced,, when P = 1000 ohms, Q = 500 ohm S, and ‘S’ is adjusted to 150 ohms, Calculate the value of the unknown, resistor Rx........, , 10 In the wheatstone bridge network ‘ABCD is balanced, when........., , A VAC = VAB, A 75 ohm, , B VBC = VAD, , B 300 ohm, , C VAB = VAD, , C 750 ohm, , D VAB = VCD, , D 1500 ohm, , 11 What condition to be maintained to measure the, resistance value in wheatstone bridge?, A Galvanometer indicates zero, B Galvanometer indicates value, C Any two resistors values must be known, D Any one resistors values must be known, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.4.41, , Copyright Free under CC BY Licence, , 75

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Electrical, Assignment for Exercise 1.4.42 & 1.4.43, Electrician - Basic Electrical Practice, Choose the correct answer, 1 The amount by which the resistance is affected by each, degree of temperature change is called as......., A temperature effect, , 5 The temperature co-efficient of copper at 20°C is........, A 36 x 10-4, B 38 x 10-4, , B laws of temperature, , C 40 x 10-4, , C temperature constant, D temperature co-efficient, 2 Which material is having positive temperature co-efficient?, , D 39.3 x 10-4, 6 The resistance of a field coil is 55 ohms at 25°C and, the temperature co-efficient is 0.004 Ω /°C. Find the, final resistance at 75°C?, , A Mica, , A 50 ohm, , B Silver, , B 52 ohm, , C Glass, , C 55 ohm, , D Carbon, , D 65 ohm, , 3 Which material is having negative temperature coefficient?, A Brass, , 7 What is the unit of temperature co-efficient of material?, A Degree centigrade per ohm (°C/ Ω ), B Ohm per degree centigrade ( Ω /°C), , B Glass, , C Ohm degree centigrade ( Ω °C), , C Copper, , D Degree centigrade ohm (°C ohm), , D Aluminium, 4 The expression related with temperature co-efficient is, represented as R t = R o (1+ α o t). What does, ‘Ro’indicate?, A Rise in temperature, B Total resistance at 0°C, C Initial resistance at 0°C, D Temperature co-efficient, , 76, , Copyright Free under CC BY Licence

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Electrical, Electrician - Basic Electrical Practice, , Assignment for Exercise 1.4.44, , Choose the correct answer, 1 Calculate the resultant resistance of the circuit?, , 4 Calculate the current in ‘R2’ resistor?, , A 1Ω, B 3Ω, , A 4A, , C 6Ω, , B 6A, , D 9Ω, , C 8A, D 12 A, , 2 What is the application of series - parallel combination, circuit?, A Booster, , 5 What is the total value of resistance between point, ‘AB’?, , B Voltage divider, C Potentio meter, D Variable phostate, 3 What is the formula to calculate the current ‘I’ in the, circuit?, , A 4Ω, B 12 Ω, C 24 Ω, D 36 Ω, , V, A Ι = R +R +R + R, 1, 2, 3, 4, , V, B Ι=R, Total, V, C Ι=R +R, 1, 2, V, D Ι = R +R +R + R, 1, 2, 3, 4, , 77, , Copyright Free under CC BY Licence

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Module - 5, Magnetism and Capacitors, ASSESSMENT CRITERIA, On completion of this module you shall be able to complete the following, assessment criteria, • Make the solenoid and determine its polarity for the given direction, of current, • Group the given capacitors to get the required capacity and voltage, rating., , Copyright Free under CC BY Licence

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Electrical, Electrician - Magnetism and Capacitor, , Assignment for Exercise 1.5.45, , Choose the correct answer, 1 Which of the following is the natural magnet?, A Steel, , 7 Which one of the following material is the ferromagnetic, material?, A Air, , B Nickel, , B Glass, , C Tungsten, , C Nickel, , D Lodestone, , D Aluminium, 2 The example for temporary magnet is..., 8 The paramagnetic substance are..., , A nickel, , A slightly repelled by a magnet, , B ALNICO, , B strongly repelled by a magnet, , C tungsten, D soft iron placed inside a solenoid, , C slightly attracted by a magnet, D strongly attracted by a magnet, , 3 The property of retention of magnetism even after the, magnetising field is removed, is termed as..., A retentiveness, , 9 In which classification of magnetic substance “Glass”, belongs..., A diamagnetic, , B field intensity, , B ferromagnetic, , C magnetic field, , C paramagnetic, , D magnetic induction, , D non- magnetic, 4 In the ferromagnetic materials,each molecule is having, .........., A no attraction force, , 10 The imaginary line joining the centre of two poles of a, magnet is called as..., A magnetic flux, , B no magnetic poles, C no magnetic property, D north pole and south pole, , B magnetic axis, C magnetic field, D magnetic netural axis, , 5 Which of the following is a paramagnetic substance?, 11 When equal and similar poles of magnets having one, unit pole, are placed one meter apart from each other,, then the repulsion force will be?, , A Wood, B Copper, C Bismath, , A 1 Newtons, , D Graphite, , B 5 Newtons, , 6 The example for diamagnetic substance is..., A wood, B nickel, C platinum, D manganese, , C 10 Newtons, D 12 Newtons, 12 If a magnet has the property of producing magnetism, in a nearby magnetic substance is called as......., A directive property, B attractive property, C induction property, D property of strength, , 78, , Copyright Free under CC BY Licence

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13 If a magnet is heated or hammered, It will loose it’s, magnetism, this property is known as..., A directive property, B repulsion property, C saturation property, D demagnetising property, , 16 What is the name of a imaginary line which passes, through the centre and perpendicular to the two poles, of magnet?, A Magnetic axis, B Magnetic lines, C Magnetic line of face, D Magnetic netural axis, , 14 The cylindrical type shape of magnet shown in figure, is......., , 17 The property of magnet of higher stength which never, acquires further magnetism is named as......., A directive property, B induction property, C attractive property, D sautration property, , 15 Which one of the magnetising method is used for, making permanent magnet for speakers?, , 18 Why measuring instrument are enclosed inside an iron, case?, A To reduce the magnetic field, , A Induction method, , B To regulate the magnetic field, , B Double touch method, , C To increase the magnetic field, , C Divided touch method, , D To shield the instrument from external magnetic, field, , D By electric current method, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.5.45, , Copyright Free under CC BY Licence, , 79

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Electrical, Assignment for Exercise 1.5.46 & 1.5.47, Electrician - Magnetism and Capacitor, Choose the correct answer, 1 Who has discovered that there is close relationship, between electricity and magnestism?, , 7 The magnetic strength of an electromangnet (temporay, magnet) can be varied by........, , A Lenz, , A increasing the core to insulation, , B Fleming, , B increasing the winding insulation, , C Faraday, , C varying the current passing through it, , D Oersted, , D varying the insulation of core and winding, , 2 The polarity of the electromangnet depends upon the..., A position of the soft iron core, B magnetic core of the solenoid, C polarity of the electrical source, D direction of the current flowing through it, , 8 Which material is used as magnetic core in, telephones?, A Soft iron, B Mumetal, C Permalloy, D Silicon steel, , 3 By which rule, the direction of magnetic field can be, determined?, A Oersted’s rule, , 9 Which metal is an alloy of nickel, copper, chromium, and iron?, A Soft iron, , B Right hand grip rule, C Fleming’s left hand rule, D Fleming’s right hand rule, , B Mumetal, C Permalloy, D Silicon steel, , 4 If two current carrying conductors are carrying current, in opposite direction and brought close to each other, then their flux lines are going in the...., , 10 MMF stands for..., A Main Magnetic Field, , A same direction, , B Magneto Motive Force, , B opposite direction, , C Magnetic Motion Force, , C perpendicular to the current direction, , D Motion of Magnetic Field, , D perpendicular to the magnetic field direction, 11 “Ampere - turns “ is unit of..., 5 A helically wound coil that is made to produce a strong, magnetic field is called..., , B reluctance, , A solenoid, , C permeability, , B magnetic field, , D magnetic field strength, , C magnetic core, , 12 Reluctance in the magnetic circuit is anlogous to, electrical..., , D electromangnet, 6 In right hand palm rule, the thumb indicates the direction, of..., A current, B line of force, C magnetic field, , A MMF, , A current, B resistance, C specific resistance, D potential difference, , D conductor, , 80, , Copyright Free under CC BY Licence

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13 The S.I unit of magnetic flux is..., A weber, B weber / cm2, C weber / meter, , 2, , D amperturns / weber, , 18 Magnetic field intensity (H) can be calculated by the, formula H..., A H=, , Reluctance, MMF, , B H=, , MMF, Reluctance, , 14 ‘Ampere turns/weber’ is the unit of ..., A MMF, , MMF, C H= Length of coil in meter, , B reluctance, C flux density, D magnetic field strength, 15 The S.I unit of Flux density is..., A tesla, , D H=, , Length of coil in meter, MMF, , 19 The permeability of the material depends on its..., A length, , B weber, , B flux density, , C weber /meter2, , C field intensity, , D ampere - turns, , D magneto motive force, , 16 The unit of magnetic field strength is..., A ampere - turns, B weber/ meters2, C ampere turns / web, D ampere turns per meter, , 20 The permeability of air() is..., A zero, B unity, C 20000, D infinity, , 17 The unit of permeability is...., A no unit, B weber / meter, C ampere turns / web, D ampere turns / meter2, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.5.46 & 1.5.47, , Copyright Free under CC BY Licence, , 81

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Electrical, Assignment for Exercise 1.5.48 to 1.5.50, Electrician - Magnetism and Capacitor, Choose the correct answer, 1 The property of magnetic substance that the flux, density is always lagging behind the efforts of the, magnetising intensity is known as..., A hysteresis, , 7 While applying right hand palm rule thumb indicates, the.., A North pole, B South pole, , B magnetic intensity, , C Current direction, , C magnetic induction, , D Polarity of voltage, , D residual magnetism, 8 What is purpose of iron used in solenoid?, 2 The shape of a B.H loop (Hysteresis loop) determines..., A the retentiveness of the material, B the field intensity of the substance, C the magnetic properites of the material, , A To strengthen the solenoid., B Increase the strength of magnetic field, C Regulate the strength of magnetic field, D Decrease the strength of magnetic field, , D the pulling power of the magnetic material, 9 Which metals are added in permalloy?, 3 The strength of an electromagnet depends upon the..., A retentiveness of the material, B field intensity of the material, C ability to conduct magnetism, , A Iron and nickel, B Copper and nickel, C Iron and chromium, D Copper and chromium, , D shape of B-H curve of the material, 10 The permeance is the analogous to the electrical..., 4 On what factor the polarity of a electromagnet, depends?, , A resistivity, B resistance, , A Direction of voltage, , C conductivity, , B Direction of current, , D conductance, , C Direction of windings, D Depends on metal used, 5 Cork screw rule is used determine the, , 11 Which one of the following is not the practical, application of electromagnet?, A Relays, , A Direction of voltage, , B Buzzers, , B Direction of current, , C Cycle dynamo, , C Direction of lines of force, , D Measuring instruments, , D Strength of magnetic field, 6 If three conductors carrying current in same direction, are brought together the resultant flux line will be....., A Support one another, , 12 The electrical current is anlogous to the magnetic, circuit..., A flux, B reluctance, , B All oppose each other, , C flux density, , C Flux travel in 3 different direction, , D permeability, , D Two conductor flux support and one conductor, oppose, , 82, , Copyright Free under CC BY Licence

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13 One of the practical application of the electromagnet, is..., A amplifiers, , 19 The unit of inductance is..., A Mho, B Ohm, , B electrical bell, , C Farad, , C loud speakers, , D Henry, , D moving coil meter, 20 The magnitude of induced EMF is given as, 14 The lifting power of the magnet is directly proportional, to...., A the flux and the length of magnetic path, , di, ". What does ‘di’ indicate in the above, dt, formula?, , B the flux density and the length of the magnet, , A the induced EMF in volt, , C the square of the flux and the length of the magnet, , B the inductance in ‘henry’, , D the square of the flux density and area of cross, section, , C the change of time in seconds, , V =L×, , D the change of current in ampere, 15 Which law states that, whenever the magnetic flux is, linked with a conductor an EMF is induced in it?, A Lenz’s law, , 21 Co - efficient of self inductance is expressed as, L=, , B Fleming’s right hand rule, C Faraday’s first law of electromagnetic induction, D Faraday’s second law of electromagnetic induction, , Nφ, , What does ‘φ’ indicate?, I, , A number of turns, B the flux in weber, C flux density in web/m2, , 16 When the conductor moves and produces EMF, that, EMF is called as..., A self induced EMF, B mutually induced EMF, C statically induced EMF, D dynamically induced EMF, , D the amount of current flow, 22 The formula to find energy stored (w) in the magnetic, field by the inductor is..., A W = LI, B W = LI2, C W = ½L. I, , 17 When the magnetic field collapse, the flux lines cut, the conductor, and an EMF is induced, that EMF is, called as..., A counter EMF, , D W = ½LI2, 23 In inductors if a magnetic core is used, then the, inductors is usually referred as..., , B self induced EMF, , A choke, , C mutually induced EMF, , B fixed inductor, , D dynamically induced EMF, , C variable inductor, , 18 The electrical property of a coil which oppose any, change in the magnitude of current flow in it, is called, as...., , D air - core inductor, 24 Variable inductors are used in..., A welding transformer, , A resistance, , B gas discharge lamps, , B inductance, , C petrol engine’s ignitors, , C capacitance, D specific resistance, , D electronic power supply filters., , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.5.48 to 1.5.50, , Copyright Free under CC BY Licence, , 83

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25 The functions of inductor (ballast) is used in fluorescent, lamp circuit is to..., A give more brightness of lamp, B drop the voltage across the lamp, C increase a momentary high voltage to fire the lamp, D decrease the rate of emission of electron from the, filament, 26 The major disadvantage of the inductance used in lamp, circuit is to..., , 31 The alternative current which changes in magntitude, and direction tends to make it flow along the outer, surface of the conductor. This effect is known as..., A skin effect, B surface effect, C magnetic effect, D coercivity effect, 32 The voltage induced in the conductor and other, surrounding metal parts are caused by..., , A give dim light, , A skin effect, , B drop the voltage across the lamp, , B hysteresis, , C increase arcing in switch contact, , C eddy current, , D decrease the efficiency of the lamp, , D dielectric stress, , 27 The voltage induced in a conductor or coil by its own, magnetic field is called as..., A surge voltage, , 33 The Eddy current is directly proportional to..., A voltage, B current, , B Impulse voltage, , C frequency, , C Electro Motive Force(EMF), , D resistance, , D Counter Electro Motive Force (CEMF), 28 Which law states that a counter EMF always oppose, the force that creates it?, A Lenz’s law, , 34 The time constant (t) for R - L circuit can be calculated, by using the formula...., A t=, , R, L, , B t=, , L, R, , B Ohm’s law, C Faraday’s law of electromagnetic induction, D Faraday’s second law of electromagnetic induction, , C t=LxR, 29 The formula to calculate the inductive reactance (XL), of an inductor is..., A XL = πfL, B XL = 2πfL, , R2, L, , 35 Which is the example for statically induced EMF?, , C XL = 3πfL, , A Transformer, , 1, D XL =, 2 πfL, , B DC alternator, C AC generator, , 30 The opposition offered to an alternating current by the, inductive effect is called..., A inductor, , D Primary cells, 36 Which is used to increase the inductance of a coil?, A Use soft iron core, , B induction, C inductance, D inductive reactance, , 84, , D t=, , B Reduce the core area, C Reduce the number of turns, D More spacing between turns, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.5.48 to 1.5.50, , Copyright Free under CC BY Licence

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37 What is the formula to calculate the magnitude of the, counter EMF?, A V=, B V=, , A By tapping, , di, dt, , B By varying current, , dt, di, , D By moving the core in and out, , C By insulating the core, , C V = Lx, , D V=, , 40 How inductance varied in a variable inductor?, , 41 Which is to be added in a fluorescent lamp circuit, when connected in DC to limit the current?, , di, dt, , A A resistor connected series to choke, , di, L xdt, , B A resistor connected series to starter, C A resistor connected parallel to choke, , 38 What is the formula to calculate the co efficient of, inductance?, , 42 Which factor determines inductance?, , N2, Henry, A L=, S, , B L=, , N, Henry, S, , C L=, , N, , D L=, , S2, , D A resistor connected parallel to starter, , A Insulation of wire, B Classification of wire, C Type of core material, D Spacing between turns of wire, , Henry, , S2, Henry, N, , 39 What will be the total inductance if 3 inductors L1,L2,and, L3 are connected in parallel?, A LT = L 1 + L 2 + L 3, 1, 1, 1, B LT = L + L + L, 1, 2, 3, 1 1, 1, 1, C L =L +L +L, T, 1, 2, 3, 1, D L = L1 + L 2 + L 3, T, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.5.48 to 1.5.50, , Copyright Free under CC BY Licence, , 85

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Electrical, Assignment for Exercise 1.5.51 & 1.5.52, Electrician - Magnetism and Capacitor, Choose the correct answer, 1 A capacitor consisting of two parallel conductive plates, are separated by an insulating material which is called, as..., A inductor, , 7 Which factor is not depending on the capacitance of, the capacitor?, A Shape of capacitor, B Area of the plates, , B insulator, , C Type of dielectric material, , C dielectric media, , D Distance between the plates, , D separators, 2 The unit of electric charge is..., , 8 The dielectric constant of mica is approximately equal, to..., , A volt, , A 1, , B joule, , B 3, , C farad, , C 5, , D coulomb, , D 8, , 3 The farad is the unit of..., A impedance, , 9 If a polarised electrolytic capacitor is reversely, connected, it causes..., A to reduce the current in the circuit, , B resistance, , B to increase the value of capacitance, , C inductance, , C no effect on the capacitor and works normally, , D capacitance, , D the capacitor heats up and possible to explode, 4 The relationship between capacitance (C), electric, charge (Q) and voltage (V) can be expressed as..., A C=, , Q, V, , 10 How many non - polarised electrolytic capacitors are, packaged in a single container?, A 1, B 2, , V, B C=, Q, , C 3, D 4, , C V = QC, D Q=, , 11 Which type of capacitor is used in T.V vertical RF, circuit?, , C, V, , A Mica, 5 What is the capacitance of a capacitor that requires, 0.8 coulomb to charge it to 32V?, , C Electrolytic, , A 0.25 farad, , D Flim- polypropylene, , B 0.002 farad, , 12 Variable air capacitor is used in..., , C 0.025 farad, , A TV tuners, , D 0.0025 farad, 6 One pico farad (1 pfd) is equal to..., A 1 pfd = 10-6 F, B 1 pfd = 10-9 F, , B Ceramic, , B Oscillators, C Loudspeaker, D Power supplies, , C 1 pfd = 10-12 F, D 1 pfd = 10-16 F, 86, , Copyright Free under CC BY Licence

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13 Which device is used for vary fine adjustments in a, circuit?, , 17 Which dielectric is used in an electrolytic aluminium, non - polarised (wet and dry type) capacitor?, , A Mica capacitor, , A Poly syrene, , B Trimmer and padder, , B Barium titanate, , C Electrolytic capcitor, , C Aluminium oxide, , D Plastic - flim capcitor, , D Potassium lead oxide, , 14 What defect will occur in capacitor, when voltages, much higher than its rated value is applied?, , 18 Mixture of silica is used as dielectric in the capacitor, of..., , A Open circuit defect, , A mica, , B Short circuit defect, , B glass, , C Low rated voltage defect, , C plastic film, , D Leakage resistance defect, , D vitreous enamel, , 15 When open circuit fault will occur in electrolytic, capacitor?, , 19 Which type of capacitor is used for space electronic, purpose?, , A The electrolyte dries up over period of time, , A Plastic film type, , B The voltage is much higher than its rated value, , B Ceramic disc type, , C The capacitor is operated in lower temperature, , C Electrolytic - Aluminium, , D When the resistance across the capaciotor is less, than normal value, , D Electrolytic - Tantalum type, , 16 When the capacitor said to have become leaky?, A The voltage is much higher than its rated value, B The capacitor is operated in lower temperature, C Due to puncturing of the dielectric in the capacitor, D When the resistance across the capacitor is less, than normal value, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.5.51 & 1.5.52, , Copyright Free under CC BY Licence, , 87

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Module - 6, AC Circuits, ASSESSMENT CRITERIA, On completion of this module you shall be able to complete the following, assessment criteria, • Determine the power factor by direct and indirect methods in an AC, single phase RLC parallel circuit, • Identify the phase sequence of a 3 ø supply using a phase-sequence, meter, • Prepare/connect a lamp load in star and delta and determine, relationship between line and phase values with precaution, • Connect balanced and unbalanced loads in 3 phase star system, and measure the power of 3 phase loads., , Copyright Free under CC BY Licence

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Electrical, Electrician - AC Circuits, , Assignment for Exercise 1.6.53, , Choose the correct answer, 1 Electric current is defined as..., , 8 What is the wave shape in a DC source?, , A Flow of electrons in a conductor, , A Square, , B Resistance offered in a circuit, , B Triangular, , C Potential difference in a circuit, , C Sinusoidal, , D Electrons in atomic structure, , D Pure and steady, , 2 In a voltage source as per the electron theory what is, the polarity of electrons flow?, , 9 What is the passive parameter in a DC circuit?, A Impedance, , A Positive to earth polarity, , B Resistance, , B Negative to earth polarity, , C Inductive reactance, , C Positive to negative polarity, , D Capacitve reactance, , D Negative to positive polarity, 3 What is the direction of current in a DC circuit?, , 10 What is the source DC?, A Battery, , A One direction, , B Inverter, , B Alternating in nature, , C Alternator, , C No particular direction, , D Mains supply, , D Forward and reverse direction, 4 What is the commonly used DC voltage source?, , 11 What is the polarity of an AC/source?, A Positive to ground, , A Dry cells, , B Negative to positive, , B DC generator, , C Positive to negative, , C UPS supply unit, , D Change at regular intervals, , D Rectifier, 5 How many wires for DC transmission?, , 12 What is the frequncy in the AC 240 V domestic supply, system?, A 60 Hz, , A Two wire, , B 50 Hz, , B Four wire, , C 55 Hz, , C Three wire, , D 52 Hz, , D Only single wire, 6 Magnitude of current in a DC system is.........., , 13 What is the maximum single cell DC voltage available?, A 1.5 V, , A variable with time, , B 2.2 V, , B constant always, C changing its direction, D very low maxiumum fluxation, 7 What is the PF in a DC circuit?, , C 2.5 V, D 3.0 V, 14 What is the standard domestic supply voltage in india, as per indian standard?, , A Always zero, , A 240 V, , B Always unity, , B 230 V, , C Always less than 1, , C 220 V, , D Always more than 1, , D 250 V, , 88, , Copyright Free under CC BY Licence

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15 Why AC transmission in preferred to long distance, than DC?, , 22 How many peak values are occuring in one complete, cycle of a sine wave?, , A Less line losses, , A One, , B It is easily available, , B Two, , C Easy to carry high current, , C Four, , D Current carrying capacity is more, , D Three, , 16 An AC generator works on the principle of........., A Kirchoff’s law of current, B Lenz’s law of back emf, C Faraday law of electrolysis, D Faradays law of electro magentic induction, 17 What is the minimum standard voltage commonly, generated in india?, A 1.1 KV, , 23 What is the term called if the same heating effect, produced by DC on that of an AC?, A Peak value, B Effective value, C Average value, D Instantaneous value, 24 What is the another name used to indicate Root Mean, Square (rms) value in AC?, A Peak value, , B 2.2 KV, , B Average value, , C 3.3 KV, , C Effective value, , D 6.6 KV, 18 What is the shape of voltage wave form generated by, a coil rotating in a magnetic field?, A Sine wave, , D Maximum value, 25 What is the equation used to calculate the effective, value (Vrms) of voltage in a wave?, , B Square wave, , A Vrms = 0.707 Vmax, , C Triangular wave, , B Vrms = 0.637 Vmax, , D Saw tooth wave, , C Vrms = 1.114 Vmax, , 19 How much time is required by 50Hz AC supply to, complete one cycle?, A 0.1 second, , D Vrms = 1.414 Vmax, 26 What is the value indicated in AC indicating, instruments?, A Peak value, , B 0.02 second, , B Average value, , C 0.15 second, , C Instantaneous, , D 0.45 second, , D Effective value, 20 How do you define frequency in a AC sine wave?, A No of cycles produced per minute, B No of cycles produced per second, C No of cycles produced in half rotation of coil, D No of cyclwes produced in two rotation of coil, 21 What is the name called for each alternations made, by a sine wave?, A Peak value, , 27 What is the average value for voltage (Vav), if the, maximum value is Vm?, A Vav =, 2 Vm, B Vav = 2 Vm, C Vav = 0.707 Vm, D Vav = 0.637 Vm, 28 What is the name called for the ratio of effective value, to average value of half cycle?, , B Average value, , A Rms value, , C Maximum value, , B Peak to peak, , D Instantaneous value, , C Peak factor (KP), D Form factor (Kf), , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.53, , Copyright Free under CC BY Licence, , 89

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29 How do you increase or decrease the AC voltage for, transmission and distribution purpose?, A By using alternator, , 36 What is the purpose of system earthing?, A Provide a path for fault current, B Provide a path for equipment and circuits, , B By using transformers, C By using transmission lines, D By using AC or DC generators, 30 What is the S.I unit of frequency?, A Volt, , C Limit the max voltage to earth under normal conditon, D Provide permenant bonding together of all non, current carrying metal parts., 37 What is the name of conductor used for equipment, earthing?, A Earth wire, , B Ohm, , B Earth electrode, , C Hertz, , C Earth connector, , D Ampere, , D Earth terminal, 31 What is the maximum value of voltage if its RMS value, is 240V?, A 240 V, , 38 What is the colour of the neutral wire in AC single (or), 3 phase circuit?, A Blue, , B 266.4 V, , B Black, , C 339.5 V, , C Green, , D 376.8 V, , D Yellow, 32 What is the standard working voltage for 3 phase, supply in india?, A 400V, , A Red, , B 415V, , B Blue, , C 420V, , C Black, , D 440V, , D Green, , 33 What is the tolerance limit allowed in India in terms of, frequency?, A ± 1%, , 40 In 3 wire DC circuit the black wire indicates.., A earth wire, B middle wire, , B ± 2%, , C positive wire, , C ± 0.5%, , D negative wire, , D ± 0.1%, , 41 Vector diagrams drawn to scale can be used to..., , 34 What is the importance of earthing on electrical, system?, , A determine the effective value of current, B analyse the variation of EMF produced, , A Human safety, , C determine the instantanous value of current and, voltage, , B Equipment safety, C Environmental safety, D Human & Equipment safety, 35 What is the earth potential value considered for, earthing?, , 90, , 39 What is the colour of protective earthing conductor?, , D determine the position of rotating conductor during, a cycle, 42 What forms are generally used with trignometric, functions in the vector diagrams?, , A Low, , A Sector and cones, , B Zero, , B Triangular and squares, , C Medium, , C Circle and parallelograms, , D High, , D Triangle and parallelograms, Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.53, , Copyright Free under CC BY Licence

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43 What will be the power in a pure inductive circuit?, A VI cos θ, , 49 What relationship illustrated in the figure shown, between the current and voltage?, , B Zero, C Infinity, D VI sin 90°, 44 What is the formula to find reactive power in a pure, inductive circuit?, A Pr = I XL Var, B Pr = IL XL Var, , A Both are in phase, , C Pr = I XL Var, , B Current leads the voltage, , D Pr = I XL Var, , C Current lags behind the voltage, , 2, , 2, , 45 What will be the current ‘I’ in a RL series circuit?, A Lag VL, B Inphase with VL, , D Voltage lags behind the current, 50 Calculate the power consumed in an pure AC resistive, circuit of 8Ω and the applied voltage is 36 volt?, , C Lead ahead VL, , A 4.5 W, , D Lag behind VL by 90°, , B 144 W, , 46 What term is used to indicate the total opposition to, current in AC circuit?, A Impedance, , C 162 W, D 288 W, 51 Which value is indicated by a AC voltmeter?, , B Resistance, , A Max.Value, , C Admittance, , B RMS value, , D Susceptance, , C Average value, , 47 What is the effect of an inductor when it is conneted, to AC?, A Converts AC to DC, , D Instantaneous value, 52 What will be the RMS voltage when peak to peak, voltage in 72V?, , B Opposes the current change, , A 36.0V, , C Reduces the harmonic distrortion, , B 25.46V, , D Offers DC resistance to current, , C 45.86V, , 48 What is the meaning of the term phase in AC?, A It denotes the value of potential in AC, B It represents the relation between voltage and, current, , D 50.91V, 53 What will be the relationship between current and, voltage in a pure inductive circuit?, A Voltage leads ahead the current by 0°, , C It indicates the time relationship between the, alternating quantities, , B Current lags behind the voltage by 90°, , D It means the magnitude of the current is directly, proportinoal to the magnitude of the voltage, , D The current leads behind the voltage by 90°, , C The voltage lags behind the current by 90°, , 54 What is the phase angle between the applied voltage, and the back emf in a pure inductive AC circuit?, A 0°, B 90°, C 180°, D 270°, Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.53, , Copyright Free under CC BY Licence, , 91

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55 The phase relation between voltage and current cycles, are shown in fig. What is the name of circuit., , 60 What is the formula to find the power in A.C circuit?, VΙ, A P = Co θ, , B P = VI Cosφ, Cos θ, C P= VΙ, , A pure resistive, , D P=, , B pure inductive, C pure capactive, , V Cos θ, Ι, , 61 How do you define power factor?, , D Resistive and inductive, 56 What is the unit of inductive reactance?, , A, , Re action power, True power, , B, , Apparent power, True power, , C, , True power, Apparent power, , D, , True power, Reactive power, , A Mho, B Ohm, C Farad, D Henry, 57 What is the formula to calculate inductive reactance, (XL)?, A XL = πfL, B XL = 2fL, , 62 In a pure DC circuit the inductor offers..., , C XL = 2πf, , A Back emf, , D XL= 2πfL, , B Impedance, , 58 What is the inductive reactance of a coil of 30 mH, operating at a frequency of 100Hz?, A 12560 Ω, C 18852 Ω, , A Zero, , D 19650 Ω, , B Infinity, , 59 What is the inductance of a coil, Which having a, reactance of 314 Ω operating at a frequency of 50 KHz?, B 1.5 mH, C 1.72 mH, D 2.50 mH, , D Inductive reactance, 63 What is the average of true power (P) in a pure, inductance is........, , B 15260 Ω, , A 1.0 mH, , C DC resistance, , C Less than unity, D More than unity, 64 What is the formula to find impedance in a R.L series, circuit?, A Z = R2 L2, B Z + R2 + L2, C Z = R + XL, D Z = R2 + X 2, L, , 92, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.53, , Copyright Free under CC BY Licence

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65 A coil having a resistance of 3 ohms and the inductive, reactance of 4 ohms. What is the PF., , 72 A coil have an impedance of 30 ohms and a resistance, of 20 ohms. What is the PF?, , A 0.5, , A 0.35, , B 0.6, , B 0.50, , C 0.7, , C 0.60, , D 0.8, , D 0.66, , 66 In R.L series circuit, Z sinθ = ..., A L (Inductance), B R (Resistance), C VT (Terminal voltage), D XL (Inductive reactance), 67 What is the unit of apparent power in AC circuits?, A Watt (W), , 73 What is the relation between V & Ι in a R.L series, circuit?, A V lags behind the current, B Ι in phase with voltage, C Ι lags behind the voltage, D Ι leads ahead the voltage, 74 What is the example of scalar quantity?, A Force, , B Watt second, C Volt ampere (VA), D XL (Inductive Reactance), 68 The phase angle between the voltage and current in a, AC circuit is ‘0’ degree;then what is the PF?, , B Energy, C Weight, D Velocity, 75 Which method is used to add vectors?, , A 0.5, , A Addition method, , B 0.8, , B Algebric method, , C Zero, , C Substraction method, , D Unity, , D Parallelogram method, , 69 What is the apparent power formula of an AC circuit if, the voltage (V), the current (Ι) and Cosθ in given?, , 76 What is the example for a vector quantity?, A Force, , A VΙ, , B Mass, , B V Ι cosθ, , C Energy, , C V Ι sinθ, , D Temperature, , D, , V, Cos θ, Ι, , 77 A vector that is rotating at a constant angular velocity, in called..., , 70 What is the formula to find the reactive power (Pr)?, A VxΙ, , D Temperature, , C V x Ι cosθ, D V x Ι x tanθ, , 78 What is the function of capacitor in AC circuit?, , 71 A coil have a resistance of 8 ohms and a reactance of, 6 ohms connected to an AC source of 240V 50Hz., What is the apparent power?, B 3760 VA, C 4760 VA, , B Volume, C Phases, , B V x Ι sinθ, , A 2760 VA, , A Mass, , A It limits the current, B Charged by the applied voltage, C Acts on a source and discharged in reverse, direction, D Charging first in one direction and then discharging, in other direction, , D 5760 VA, Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.53, , Copyright Free under CC BY Licence, , 93

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79 What is the function of capacitor when it is connected, to DC?, A It blocks DC, , 85 What is the unit of capacitive reactance?, A mho capacitve, B Ohm, , B Limits the current, , C Farad, , C It converts AC to DC, , D Jenry, , D Charges and discharges, 80 How do you define a capacitor?, , 86 What will happen to the current, if the charges in, capacitor increase?, , A It is a device which stores electric charge, , A Increase, , B It is a device which increases power in a current, , B Decrease, , C It is a device which offers resistance to current flow, , C No change, , D It is a device which offers low resistance to circuits, , D Become zero, , 81 What is the formula to find capacitive reactance in a, AC circuit?, A Xc = 2π fc, B Xc =, , A Falls to zero volt, B Equal to source volt, , 1, 2π fc, , C More than source volt, D Less than source volt, , C, C Xc =, 2π fc, , D Xc =, , 87 What is the capacitor voltage if the capacitor is fully, charged?, , 88 When a capacitor is connected in AC, its discharging, will........., , 2π, fc, , A Assist to the charging current, B In phase with the charging current, , 82 What is the phase relation between V & Ι in a pure, capacitance AC circuit?, A In phase, , C Lags the charging current by 90°, D Opposes the charging current, 89 What will be the voltage in a capacitor when its, terminals are shorted?, , B 90° out of phase, C 45° lagging V by Ι, , A Low, , D 180° out of phase, , B Zero, , 83 What is the average true power ‘P’ in a pure, capacitance?, A Zero, , A To increase the working voltage rate, , C Too low, , B To increase the capacitor reactance, , D Very high, , C To increase the effective value of capacitance, , 84 A capacitor having 20 μFd connected a 240V/ 50Hz, source. What is the capacitive reactance?, B 159.2 Ω, , D No change in voltage, 90 What is the purpose of parallel grouping of capacitors?, , B Infinity, , A 79.6 Ω, , C Very high, , D If any other capacitor is defective another capacitor, will function, 91 What will be the effective value in a series connected, capacitor?, , C 318.4 Ω, , A Less than the least value of capacitor, , D 426.2 Ω, , B Double the value of individual capacitor value, C Remain same as the sum of indvidual capacitor, D Value will be zero irrespective of capacitor value, , 94, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.53, , Copyright Free under CC BY Licence

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92 What is the unit of capacitance?, A Ohm, , 99 Which formula is used to find impedence (Z) in RC, series circuit?, A Z = R2 + Xc2, , B Farad, , B Z = R + Xc, , C Henry, D Decibel, , C Z = R 2 + Xc 2, , 93 In a 50W AC circuit the load current is 1.5A. What is, the resistance of the load?, , D Z = R2 - Xc2, 100 What is the time constant, if the capacitor value of, in 10μFd and a resistance of 2 MΩ connected to a, circuit?, , A 2220 Ω, B 222 Ω, C 22.2 Ω, , A 10 sec, , D 2.22 Ω, , B 20 sec, , 94 What is the power consumed in a pure capacitive, circuit?, A Low, , C 25 sec, D 30 sec, 101 The time required to charge a capacitor from 0 to, 63% of the charging voltage is........., , B High, C Zero, , A time constant, , D Infinity, , B voltage constant, , 95 What should be the reason for the most of industrial, installations have a lagging P.F?, A Because of 3φ power, B Because of lighting load, , C current constant, D charging constant, 102 What is the formula to find the impedance of a RLC, series circuit if Xc is greater than XL?, , C Because of continuous use of power, , A Z = R2 + XL2 + XC2, , D Because of large number of AC motors, , B Z = (XC + XL)2, , 96 What is the effect of low PF?, A Energy loss due to back EMF, B More voltage appears in load, C Current in the circuit will reduce, D More energy wasted in feeder wires, 97 How do you improve PF in the circuit?, , C Z=, , R 2 + ( X C − XL )2, , D Z = R + (XL + XC)2, 103 In a RLC series circuit, R = 15Ω, XL = 50Ω and XC =, 30Ω , is connected to a 50Hz,5 A source. What will, be impedance and PF?, A 15Ω, 0.75, , A Increase the load, , B 25Ω, 0.6, , B Reduce load in the circuit, , C 35Ω, 0.85, , C Reduce the supply voltage, , D 95Ω, 0.90, , D Using capacitor bank in the circuit, 98 What will happen to the current if the frequency, increased in a RC series circuit?, A Increase, B Decrease, C Fluctuate, D Remain same, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.53, , Copyright Free under CC BY Licence, , 95

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Electrical, Electrician - AC Circuits, , Assignment for Exercise 1.6.54, , Choose the correct answer, 1 What is the condition of resonance in a R-L-C series, circuit?, A XL > XC, , C Inverter circuit, , C XL < XC, , D Regulated power supply, , D XL + XC = 1, 2 What is the formula to find resonance frequency?, , B fr =, C fr =, D fr =, , A Filter circuit, B TV tuning circuit, , B XL = XC, , A fr =, , 4 What is the pratical application of resonance circuit?, , 1, 2 π LC, , A 0.35 Hz, B 1.59 Hz, , 1, 2 π, , LC, , 2 π, , LC, , C 0.053 Hz, D 0.172 Hz, 6 What do you mean by Q factor of a series RLC circuit?, A Improve fidelity, , 1, π LC, , B Improve accuracy, , 3 What will happen to the net reactance of a series, resonant circuit if the frequency is increased?, A Increase, B Decrease, , 5 If the value of L x C is 9 Ω, what will be the resonance, frequency?, , C Improve sensitivity, D Improve conductivity, 7 Which is the application of series resonance?, A Select a band width, , C Become zero, , B Increase the sensitivity, , D Remain same, , C Increase quality of signals, D Select a desired frequency, , 96, , Copyright Free under CC BY Licence

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Electrical, Electrician - AC Circuits, , Assignment for Exercise 1.6.55, , Choose the correct answer, 1 What is the name used to indicate the reciprocal of, impedence in AC circuits?, A Reactance, , A Y cosθ, , B Conductance, , B Y sinθ, , C Admittance, D Susceptance, 2 What is the formula used to find admittance (Y) in RL, parallel circuit?, A Y=, , 4 Which formula is used to calculate the conductance, (g) when admittance (y) and the phase angle (θ) are, given?, , Im pedance, Voltage, , Applied voltage, B Y = branch voltage, , C, , Y, cos θ, , D, , Y, sin θ, , 5 What is reciprocal of susceptance?, A Reactance, B Inductance, C Capacitance, , Total current, C Y = applied voltage, , D Y=, , D Conductance, , Applied voltage, Total voltage, , 3 What is the unit of admittance?, A Mho, B Ohm, C Henry, D Farad, , 97, , Copyright Free under CC BY Licence

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Electrical, Electrician - AC Circuits, , Assignment for Exercise 1.6.56, , Choose the correct answer, 1 Which condition makes a parallel circuit act as a pure, resistance circuit?, A If XC < XL, , 5 The parallel resonance circuit is also called as........., A Filter circuit, B Tank circuit, , B If XL < XC, , C Rectifier circuit, , C If XL = XC, , D Feedback circuit, , D If XL > XC, 2 What is the impedance of parallel LC if the circuit, current is zero?, A Low, , 6 Which circuit is used as collector load class-C, amplifiers?, A Tank circuit, B Filter circuit, , B Infinity, , C Rectifier circuit, , C 0 (zero), , D Feedback circuit, , D Very low, 3 What is the characteristics of parallel resonance circuit, at resonance?, , 7 What is the effect in impedance in a series circuit, compares to a parallel circuit at low resonant, frequency?, , A Minimum line current, , A Infinite, , B Minimum impedence, , B Increase, , C Maximum line current, , C Falls to zero, , D Maxiumum reactance, , D Remain same, , 4 The discriminating property of the resonance circuit is, expressed in terms of.........., , 8 What will be the current at resonant frequency in, parallel circuit compared to series circuit?, , A Gain, , A Infinity, , B Bandwidth, , B Medium, , C Reactance, , C Minimum, , D Impedance, , D Maximum, , 98, , Copyright Free under CC BY Licence

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Electrical, Electrician - AC Circuits, , Assignment for Exercise 1.6.57, , Choose the correct answer, 1 Which formula is used to calculate power in DC circuit?, A P=VxI, B P=IxR, , 3 What is the PF in a AC series circuit consisting of, 100 Ω, and inductance of 0.2H and a capacitance of, 120μF are connected to a source of 200V/ 50Hz?, A 0.94, , C P=, , V, R, , B 0.98, , D P=, , VI, R, , D 9.92, , C 0.91, , 2 Which formula is used to calculate power in AC circuit?, A VxI, B V x I cosθ, C, , V, I, , D, , I, V, , cos θ, , 4 What is the current in a AC series resonance having a, resistor of 10Ω, inductance of 0.1H and a capacitance, of 100 μF connected across 200V / 50Hz supply?, A 24 A, B 22 A, C 20 A, D 18 A, , cos θ, , 99, , Copyright Free under CC BY Licence

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Electrical, Electrician - AC Circuits, , Assignment for Exercise 1.6.58 & 1.6.59, , Choose the correct answer, 1 Which formula is used to indicate power factor (cos θ)?, A Cos θ =, , Apparent power, True power, , True power, B Cos θ = Apparent power, Re active power, C Cos θ = Apparent power, Apparent power, D Cos θ = Re active power, , 2 Which determines how much current is necessary to, deliver to a given true power?, , 6 What is the principal cause of a low PF?, A True power consumed in the circuit, B Useful power consumed in the circuit, C Reactive power consumed in the circuit, D Active power flowing in the loads, 7 Which is the unity power factor?, A 0.9, B 1.0, C 0.96, D 0.99, 8 Which one of the following method is used to improve, the PF?, , A Energy, , A Applying low voltage to load, , B Impedance, , B Applying high voltage to load, , C Reactance, , C By using series connected inductor, , D Power factor, , D By using capacitors parallel with load, , 3 What is the effect in a circuit if the power factor is, low?, , 9 What is the standard single phase supply voltage in, India?, , A Requires less voltage to do work, , A 230 V, , B Requires less current to do work, , B 220 V, , C Requires same voltage to do work, , C 250 V, , D Requires more current to do work, , D 240 V, , 4 What is the term known by the product of true power, and time?, A Apparent power, B Energy, C Reactive power, D Active power, 5 What is the unit of Energy?, A Volt hour, B Watt - hour, C Watt - minute, D Current minute, , 100, , Copyright Free under CC BY Licence

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Electrical, Electrician - AC Circuits, , Assignment for Exercise 1.6.60 to 1.6.64, , Choose the correct answer, 1 What is the standard 3 phase voltage in India?, A 440 V, , 7 What is the line voltage for a 3∅ balanced star, connected system having a phase voltage of 240V?, A 440 V, , B 415 V, , B 410 V, , C 410 V, , C 400 V, , D 400 V, , D 415 V, 2 Calculate the time required for 100 W bulb to consume, one unit of energy?, , 8 What is the application of star - delta connection?, , A 2 Hr, , A Alternators, , B 5 Hr, , B Starter of single phase motors, , C 8 Hr, , C Star - delta starter for 3∅ motors, , D 10 Hr, , D Secondary of distribution transformer, , 3 What is the phase displacement between 3 phase, system?, A 90°, , 9 How do you call the star point in a 3∅ star connections?, A Earth point, B Neutral point, , B 120°, , C Grounding point, , C 160°, , D Low potential point, , D 180°, 4 The no.of conductors in the coil determined by the......, , 10 What is the current in neutral conductor when all the, three phase loads are balanced?, , A current, , A Low, , B voltage, , B High, , C frequency, , C Zero, , D iron losses, , D Infinity, , 5 The voltage between two phase are called..., A line voltage, B phase voltage, , A Half, , C neutral voltage, , B Same, , D single phase voltage, 6 In a star connected 3∅ system what is the relation, between line current to phase current..., A ΙL = Ιph, B ΙL = 3 Ιph, C Ι L = 3 Ι ph, 1, , D Ι L = 3 ph, , 11 What will be the cross sectional area of neutral, conductor in 3 phase, 4 wire system compared to other, phase conductor?, , C Double, D 3 times, 12 What is the function of neutral wire in single phase, supply system?, A Provides voltage to load, B Provides safety to the load, C Helps to balance the load current, D Provides return path for load current, , 101, , Copyright Free under CC BY Licence

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13 In a 3∅ delta connection neutral is not connected but, some times it requires for various purposes like, measurements etc, what do you call such neutral?, A 3∅ neutral, , 19 Which instrument is used to check the phase, sequence?, A Line detector, B Phase indicator, , B Artificial neutral, , C Phase sequence indicator, , C Additional neutral, , D Phase detecting indicator, , D Single phase neutral, 14 Which is the most convenient and standard distribution, system for electrical energy in india as per IER?, A 415V/ 230V, , 20 Disc of the phase sequence indicator rotate clockwise, means that..., A correct phase sequence, B low voltage in 3∅ system, , B 415V/ 240V, , C incorrect phase sequence, , C 440V/ 220V, , D low frequency in 3∅ system, , D 440V/ 230V, 15 In which connection each phase current is determined, by the ratio of phase voltage and load impedance ‘Z’?, A Star connection, , 21 What do you understand if the disc is not rotating, either way when it is connected to a 3∅ system?, A Incorrect frequency, B Correct phase sequence, , B Delta connection, , C All the 3∅ are not available, , C Two phase connection, D Single phase connection, 16 What is the reason the two watt meters method is not, used in 3∅ 4 wire system?, A Because line current is high, B Because line voltage is 240V, C Because of the current flow in fourth wire, D Beacuse of the different power consumption, 17 What is the formula used to calculate total power in, two watt meters method?, , D Incorrect phase sequence, 22 Which condition, the readings of one wattmeter is, negative in two watt meter measurement?, A, , PF is zero, , B, , PF is unity, , C PF is leading, D PF is lagging below 0.5 P.F, 23 In two watt meter measuring one of the watt meters is, showing negative indication. why?, A Because PF is 0.98, , A P = W1 - W2, , B Because PF is zero, , B P = W1 + W2, , C Because PF is unity, , C P=, D P=, , (, , 3 W1 − W2, , ), , D Because PF less than 0.5, , W1 + W2, , 24 In which condition the two wattmeters are showing, equal reading?, , W1 + W2, , A At zero PF, , 3 (W1 − W2 ), , B At unity PF, , 18 What is the neccessity of phase sequence in 3 phase, system?, , C At PF near 0.9, D At PF less than 0.5, , A To make the voltages of alternator constant, B To maintain the voltages in transformer constant, C To connect the transformers in parallel, D To make the losses of power transformer minimum, , 102, , Electrical: Electrician (NSQF - Level 5) - Assignment for Exercise 1.6.60 to 1.6.64, , Copyright Free under CC BY Licence

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Instruction for answering in the Response Sheet, , 1 Read the question in the Assignment/Test, choose the correct answer and mark appropriate option in, the Response Sheet., 2 Use black ball point pen only., 3 There is one correct answer for each question., 4 Mark should be dark and completely fill the circle., 5 Rough work must not be done in the response sheet., 6 Make the marks only in the circle space provided., , 103, , Copyright Free under CC BY Licence

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