Refer to the drawing of a centrifugal pump with a water storage tank for its suction source.
The storage tank is open to the atmosphere and contains 20 feet of water at 90°F.
The pump is currently stopped.
If the temperature of the water in the storage tank and pump suction piping decreases to 70°F, with the accompanying water contraction, the suction head for the pump will __________; and the available net positive suction head for the pump will __________.
A. decrease; increase
B. decrease; remain the same
C. remain the same; increase
D. remain the same; remain the same
Show Answer
Answer: A
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