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PART (^

Answer any four full questions, each carries 10 marks.
With a neat sketch explain the working of a liquid dominated geothermal power
plant.
Discuss briefly about the different geo thermal energy resources.
With the help of a neat sketch explain the working principle of fuel cells and
also its different applications.
Explain the working of any one type of wave energy conversion system with the
help of a neat sketch.
Name the different processes used for hydrogen production.
Elaborate on the phenomenon of ozone depletion.
List out the various environmental impacts of setting up hydro electric power
plant.
Explain briefly about the conditions which will lead to acid rain and also the
harmful effects of acid rain.
Explain how eutrophication affects aquatic life.
List some of the common sources of land degradation.

Describe causes for the loss of bio-diversity due to energy conversion process.

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