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How is hydroelectricity generated at hyd...

How is hydroelectricity generated at hydroelentirc power plant? Give its advantages and disadvantaes?

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MBD-SOURCE OF ENERGY-EXAMPLE
  1. Why is L.P.G. considered an ideal fuel?

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  2. State the advantages of the nuclear fusion reactions over nuclear fiss...

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  3. How is hydroelectricity generated at hydroelentirc power plant? Give i...

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  4. What is biogas? Give any four uses?

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  5. biogas is considered to be boon to the farmers.give reasons

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  6. Give two reasons for using gobar (cow dung) in biogas plant.

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  7. Write the general principle involved in generating nuclear energy,Name...

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

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

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

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  11. Explain LPG.What are its uses?

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

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

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  14. Write any two limitations of solar heating devices.

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

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

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

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

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

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

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