Net positive suction head (NPSH) of a centrifugal pump mu... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Net positive suction head (NPSH) of a centrifugal pump must be____________________?

Correct answer: A

Explanation

NPSH must be higher than the liquid's vapour pressure to prevent cavitation. Cavitation occurs when local pressure drops below vapour pressure.

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