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Question 1 of 30
1. Question
Assertion: Fuel has to be burnt to obtain heat energy.
Reason: The minimum temperature to which a fuel must be heated so that it may catch fire and start burning is known as ignition temperature.CorrectIncorrect -
Question 2 of 30
2. Question
Assertion: The major constituent of biogas is methane.
Reason: Biogas is produced by the aerobic degradation by animal wastes like cow ding in the presence of water.CorrectIncorrect -
Question 3 of 30
3. Question
Biogas is formed in the
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Question 4 of 30
4. Question
Biogas is a better fuel than animal dung cake because
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Question 5 of 30
5. Question
Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun’s energy?
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Question 6 of 30
6. Question
The working fluid in ocean thermal power plant is
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Question 7 of 30
7. Question
Ocean thermal energy is produced due to
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Question 8 of 30
8. Question
A device in which electricity is produced by the process of controlled nuclear fission reaction is called
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Question 9 of 30
9. Question
India exploded her first underground nuclear device at
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Question 10 of 30
10. Question
Fusion reaction is also known as
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Question 11 of 30
11. Question
A good fuel should possess
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Question 12 of 30
12. Question
Geothermal energy is
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Question 13 of 30
13. Question
Tidal energy is harnessed by constructing a dam across
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Question 14 of 30
14. Question
The variety of coal which has the highest car-bon content
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Question 15 of 30
15. Question
Dead organisms are transformed into petroleum and natural gas in
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Question 16 of 30
16. Question
Which of the following is not a bio mass energy source?
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Question 17 of 30
17. Question
The main constituent of CNG is
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Question 18 of 30
18. Question
Hydropower plant are located in the
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Question 19 of 30
19. Question
The use of reflector in the solar cooker is to
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Question 20 of 30
20. Question
Solar cells are made of
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Question 21 of 30
21. Question
A solar cooker may not cook food if.
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Question 22 of 30
22. Question
Which of the following problem is associated with a burning of coal?
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Question 23 of 30
23. Question
Assertion: Wind energy farms cannot be established every where.
Reason: The wind energy farms can be established only at those places where wind blows for most part of the year.CorrectIncorrect -
Question 24 of 30
24. Question
Assertion: Coke is a better fuel than coal.
Reason: Burning of coke cause air pollution.CorrectIncorrect -
Question 25 of 30
25. Question
Unit of calorific value of a substance is
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Question 26 of 30
26. Question
The material used for interconnection the solar cells in the solar panel is
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Question 27 of 30
27. Question
A solar panel is made by combining in an arrangement
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Question 28 of 30
28. Question
Tidal energy is a farm of energy obtained from the
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Question 29 of 30
29. Question
One major problem in harnessing nuclear energy is
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Question 30 of 30
30. Question
Which of the following is not an example of a bio-mass energy?
CorrectIncorrect