A centrifugal pump is needed to take suction on a water storage tank and deliver high pressure water to a water spray system ___

A centrifugal pump is needed to take suction on a water storage tank and deliver high pressure water to a water spray system.

To minimize axial thrust on the pump shaft, the pump should have __________ stage(s); and to maximize the available NPSH at the impeller inlet, the pump should have a __________ suction impeller.

A. a single; single
B. a single; double
C. multiple opposed; single
D. multiple opposed; double

Show Answer

Answer: D

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