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The fuel having a calorific value of 55 ...

The fuel having a calorific value of 55 kJ/g is likely to be :

A

biogas

B

methane gas

C

hydrogen gas

D

natural gas

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The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-SOURCES OF ENERGY -Exercise
  1. Which of the following is not a renewable source of energy ?

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  2. What is a good fuel ?

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  3. The fuel having a calorific value of 55 kJ/g is likely to be :

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  4. A newly planted sapling usually grows and matures into a tree in more ...

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  5. Which of the following fuels has the highest calorific value ?

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  6. The fuel having the lowest calorific value is :

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  7. There are four fuels which all contain only carbon and hydrogen. The f...

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  8. One of the following is not a characteristic of a good fuel. This is :

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  9. Which of the following is not a fossil fuel ?

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  10. Most of the fuels contain carbon as one of the constituents. Name a fu...

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  11. A hydro-power plant converts one form of energy into another. Name the...

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  12. What type of energy is possessed by flowing water ?

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  13. Flowing water can rotate a turbine. Which type of energy is used up by...

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  14. Name the original source of wind energy.

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  15. What should be the minimum wind speed for the satisfactory working of ...

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  16. Name some of the solar energy devices.

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  17. Name the device which converts sunlight into electricity.

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  18. Fill in the following blanks with suitable words : A solar cell co...

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  19. (a) What is the difference between a thermal power plant and a hydro p...

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  20. Compare and contrast fossil fuels and the sun as sources of energy.

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