When flow from a centrifugal pump is increased by opening the discharge valve further, the required net positive suction head (NPSH) ___; and the available NPSH ___

When flow from a centrifugal pump is increased by opening the discharge valve further, the required net positive suction head (NPSH) __________; and the available NPSH __________.

A. decreases; decreases
B. decreases; increases
C. increases; increases
D. increases; decreases

Show Answer

Answer: D

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