A positive displacement pump is operating at a constant speed in an open water system with its suction and discharge valves fully open ___

A positive displacement pump is operating at a constant speed in an open water system with its suction and discharge valves fully open.

Which one of the following will increase if the pump discharge valve is throttled to 50 percent closed?

A. Proximity to cavitation
B. Required net positive suction head
C. Pump flow rate
D. Pump slip

Show Answer

Answer: D

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