A typical single-stage radial-flow centrifugal pump is being returned to service following maintenance on its three-phase AC induction motor.
Which one of the following will occur when the pump is started if two of the three motor power leads were inadvertently swapped during restoration?
A. The motor breaker will trip on instantaneous overcurrent.
B. The motor will not turn and will emit a humming sound.
C. The pump will rotate in the reverse direction with reduced or no flow rate.
D. The pump will rotate in the normal direction with reduced flow rate.
Show Answer
Answer: C
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