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Why burning firewood in traditional chul...

Why burning firewood in traditional chulhas is not considered advantageous?

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MBD -HARYANA BOARD-SOURCE OF ENERGY-EXAMPLE
  1. Write the general principle involved in generating nuclear energy, Nam...

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  2. What is natural gas? What are its advantages over other fuels?

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  3. Why burning firewood in traditional chulhas is not considered advantag...

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  4. Explain LPG.What are its uses?

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  5. Explain why: Solar cookers are covered with glass plate.

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  6. Why is the box of a solar cooker painted black from inside ?

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  7. Write any two limitations of solar heating devices.

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  8. Why is it not possible to use solar cell panels to meet all our domest...

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  9. Write four areas where solar cell is used as source of energy?

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  10. Hydrogen has the highest calorific value, but it is not used as a fuel...

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  11. What is wind mill? Write its two advantages?

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  12. On what basis would you classify energy sources as : (a) renewable a...

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  13. On what basis would you classify energy sources as : (a) renewable a...

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  14. What are fossil fuels?How are they formed?why are they non-renewable s...

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  15. What is greenhouse effect?Explain in detail

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  16. Differentiate between renewable and non-renewable sources of energy wi...

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  17. Oceans are vast store of energy'' justify this statement

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  18. What is meant by ocean thermal energy

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  19. What are solar reflectors and solar concentrators?

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  20. What are the constituents of coal gas ? State one use of coal gas.

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