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Normally for low-head plants in hydroelectric stations, the velocity of water in the penstock is chosen as-
Question

Normally for low-head plants in hydroelectric stations, the velocity of water in the penstock is chosen as-

A.

2 m/sec

B.

4 m/sec

C.

7 m/sec

D.

8 m/sec

E.

10 m/sec

Correct option is A

In low-head hydroelectric plants, the head (height) is relatively small, so the velocity of water in the penstock is typically kept low to minimize head losses due to friction and avoid water hammer effects. The usual design velocity lies in the range of 2 m/sec. 

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