Refer to the drawing of a cooling water system with an operating centrifugal pump (see figure below).
If the surge tank water level increases from 8 feet to 9 feet, the pump mass flow rate will…
A. increase, because the pump suction head will increase while the pump discharge head decreases.
B. increase, because the pump suction head will increase while the pump discharge head remains the same.
C. remain the same, because the pump suction and discharge heads will increase by the same amount.
D. remain the same, because the pump suction and discharge heads will be unaffected by the change in surge tank water level.
Show Answer
Answer: C
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