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Which way of using cow-dung as fuel for ...

Which way of using cow-dung as fuel for domestic use is better:use of cow-dung cakes or use of cow-dung in a bio-gas plant?give three reasons in support of your answer

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

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

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  3. Which way of using cow-dung as fuel for domestic use is better:use of ...

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  4. Why burning firewood in traditional chullas is not considered advantag...

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  5. Explain LPG.What are its uses?

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

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  7. Explain why: The solar cooker is painted black from inside.

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  8. Write any two limitations of solar heating devices.

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  9. Why is it not possible to make use of solar cells to meet all our ener...

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

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  11. Hydrogen gas has high calorific value but it is not used as a domestic...

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

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  13. On what basis would you classify energy sources as:Renewable and non-r...

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  14. On what basis would you classify energy sources as: Exhaustible and in...

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

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  16. What is greenhouse effect?Explain in detail

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  17. Differentiate between renewable and non-renewable sources of energy.

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

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  19. What is ocean thermal energy (OTE)?

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  20. What are solar reflectors and solar concentrators?

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