Refer to the drawing below of a centrifugal pump taking suction from the bottom of an open storage tank containing water at 66°F.

Pump and water level elevations are indicated in the figure.
Assume standard atmospheric pressure.
Assuming that pump suction head loss is negligible, what is the approximate value of net positive suction head available to the pump?
A. 6 feet
B. 13 feet
C. 20 feet
D. 25 feet
Show Answer
Answer: C
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