Question

In case of hydro power plant pressure variations in the penstock are taken care of preventing water hammer by

Answer 1

Answer:

Which element of hydroelectric power plant prevents the penstock from water hammer phenomenon? Explanation: Sudden increase in water pressure in penstock due to closing of gates is called water hammer. Surge tank is a tank at sufficient height , connected to penstock through riser pipe.

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Answer 2

Answer:

hey mate....

Function of surge tank is to relieve the penstock from excessive water hammer pressure. It does so by receiving rejected flow of water into the tank. A totally closed tank can not release pressure so usually surge tanks are left open at the top.