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UPSC Civil Service Exam Questions - Engineering

Q1:

A pipe line, 2000 m long, carries water. Velocity of propagation of pressure wave is 1000 m/s. If the valve at the low stream end is instantaneously closed at time, t = 0, negative water hammer pressure at the valve will last for

A 0 - 4 S

B 2 - 4 S

C 4 - 8 S

D S - 12 S

ANS:B - 2 - 4 S

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