The available net positive suction head for the centrifugal pump will be decreased by ___

Refer to the drawing of a cooling water system (see figure below).

The available net positive suction head for the centrifugal pump will be decreased by…

A. increasing surge tank level by 5 percent.
B. throttling heat exchanger service water valve B more open.
C. throttling pump discharge valve C more closed.
D. increasing the heat loads on the cooling water system.

Show Answer

Answer: D

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