You suspect a problem with the centrifugal fire pump on your ship, and begin to slowly close the discharge valve. Your suspicion is confirmed when the __________.

Question

Accepted Answer

discharge valve is closed off and there is no change in the discharge pressure

Answer

discharge valve is 80% closed and the relief valve lifts

Answer

suction valve is closed off, and the discharge pressure begins to decrease

Answer

suction valve is closed off, yet the relief valve does not lift

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