A centrifugal pump is taking suction from the bottom of a vented cylindrical storage tank that contains 100,000 gallons of water at 60°F.
A pressure gauge at the inlet to the pump indicates 40 psig.
Over the next several days, storage tank temperature increases to 90°F with no change in tank water level and no change in head loss in the pump suction line.
Which one of the following is the current pressure at the inlet to the pump?
A. 31.2 psig
B. 34.6 psig
C. 37.4 psig
D. 39.8 psig
Show Answer
Answer: D
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