Which one of the following would result from operating a motor-driven centrifugal pump for extended periods with the discharge valve shut and no recirculation flow?
A. No damage, because the pump and motor are designed to operate with the discharge valve shut.
B. Pump overheating, cavitation, and ultimately pump failure.
C. Excessive motor current, damage to motor windings, and ultimately motor failure.
D. Pump and motor overspeed, and tripping on high motor current.
Show Answer
Answer: B
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