An AC motor-driven centrifugal pump is circulating water at 180°F with a motor current of 100 amps ___

An AC motor-driven centrifugal pump is circulating water at 180°F with a motor current of 100 amps.

After several hours, system temperature has changed such that the water density has increased by 4 percent.

Assuming pump head and volumetric flow rate do not change, which one of the following is the new pump motor current?

A. 84 amps
B. 96 amps
C. 104 amps
D. 116 amps

Show Answer

Answer: C

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