Initially, an AC motor-driven centrifugal pump was operating in a cooling water system with cooling water temperature at 150°F.
Over several hours, the cooling water temperature decreased and is currently 100°F.
Assuming pump flow rate (gpm) remained constant, the pump motor is drawing __________ current because __________ is greater.
A. more; cooling water density
B. more; motor efficiency
C. less; cooling water density
D. less; motor efficiency
Show Answer
Answer: A
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