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Conventional & Non-Conventional Sources of Energy, Schedule Test Revision, , Time: 1 hr Marks: 30, , Q1) Short Answer Questions. Any 4 (4x1 mark), a) State any two advantages of using geothermal energy., b) How is biogas beneficial for the farmers and householders?, c) What is nuclear power?, d) Why is petroleum called ‘liquid gold’ ?, e) Name the two main belts of India where oil is found ?, f) Name two States that have huge deposits of the Gondwana coal., , , , Q2) Give Reasons. Any 3 (3x2 marks), a) Anthracite is used for domestic purposes., b) Which variety of coal is popular for domestic use ?, c) Location of coalfield is an important factor in Industrial development., d) The cost of building a dam is very high but its advantages outweigh the cost., , Q3) Long Answer Questions. Any 5 (5x3 marks), a) Why does India have to import Oil ?, b) What are the benefits of installing wind turbines ?, c) State in brief how the sun’s energy can be used to generate power., d) How is Biogas produced ? What are the chemical components of Biogas ?, e) What is Hydel power and mention any three advantages., f) What is Natural Gas used for ? Mention its two types., , Q4) Answer in Brief. Any 1 (1x5 marks), 1) a) Name any three devices used to harness wind energy. (3m), b) State two advantages of tidal energy. (2m), , 2) a) What is Mumbai High ? (1m), b) Name two industries that use high quantity of coal. (2m), c) Where is Hirakud Dam located ? Mention any | of its use. (2m)