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What is introduced between the dam and power house?

(a) Penstock

(b) Draft tube

(c) Prime mover

(d) Surge tank

I have been asked this question in a job interview.

My question is taken from Site Selection for Hydro Electric Power Plants in division Hydro Electric Power Plant of Energy Engineering

1 Answer

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Best answer
Right option is (d) Surge tank

Explanation: Surge tank is introduced between the dam and power house nearest to the power house and preferably on the high ground to reduce the height of tower to provide better regulation of water pressure in the system during variable load condition.

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