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a AN ow PF w NL, , 10., t1., 12;, 13., 14., 15., 16., , Register No.: C7FD, 792, , www.studentsquestionpaper.in, October 2017, , Time - Three hours, (Maximum Marks: 75), , , , IN.B: (1) Q.No. 8 in PART - A and Q.No. 16 in PART - B are compulsory. Answer any, FOUR questions from the remaining in each PART - A and PART - B., , (2) Answer division (a) or division (b) of each question in PART-C., , (3) Each question carries 2 marks in PART - A, 3 marks in Part — B and 10, marks in PART - C. ], , PART-A, , State two merits and two demerits of thermal power plant., Define condenser efficiency., , What is the function of a flywheel?, , Define specific fuel consumption., , State the purpose of Lubrication system., , Name the components of a clutch., , Write down the types of gear boxes., , What are the types of wheels?, , PART - B, , State the necessity for compounding and types of compounding of, steam turbines., , Give the purpose of different types of piston rings., , Sketch the valve of an IC engine and name its important features., Sketch the thermo siphon system and name the parts., , What are the factors of wheel alignment?, , Describe the working of air suspension system., , State any two troubles in ignition system and remedies for them., , List the important components of lighting system of an automobile., , [Turn over..., , 185/100—1

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17. (a), , (b), , 18. (a), , (b), , 19. (a), , (b), , 20. (a), , (b), , 21. (a), , (b), , 185/100—2, , www.studentsquestionpaper.in, =2.., PART - C, , A surface condenser condenses 17600kg of steam per hour. The, steam pressure is 0.2 bar and its quality is 0.88. Cooling water, enters at 40°C and leaves at 50°C. The condenser is made of, 23mm diameter tubes. If the velocity of cooling water in the, tube is 1.8m/sec, calculate the number of tubes used in the, condenser. The temperature of condensate is 60°C., , (Or), , Explain the working of vapour absorption system of, refrigeration with neat sketch., , Explain the working of a four stroke cycle petrol engine with, simple sketches., , (Or), , A six cylinder SI engine works on 4 stroke cycle. The bore of, each cylinder is 70mm and the stroke 100mm. The clearance, volume is 67cc. At the speed of 3300rpm, the fuel consumption, is 18.5kg/hr and the torque developed is 135Nm. Calculate, brake thermal efficiency if the calorific value of the fuel is, 45000kJ/kg. Take y=1.4 for air., , (i) With a simple sketch, explain the working of a pump, assisted water cooling system., (ii) Draw the Layout of a fuel feed system of a petrol engine and, lists the salient parts., (Or), , (i) Explain the working of AC mechanical fuel pump with a, sketch., (ii) Write short note on MPFI system., , Explain the working of a multi-plate clutch with neat sketch., (Or), With a neat sketch describe the construction and operation of a, , synchromesh gear box., , Explain the working of air assisted hydraulic braking system., , (Or), Explain the working of a battery coil ignition system.