Single Phase Motors
Which of the following statements regarding hysteresis motor is in incorrect ?

It accelerates from rest to full-speed almost instantaneously
Its high starting torque is due to its high rotor hysteresis loss
It is extremely quiet in operation
It is extremely sensitive to fluctuations in supply voltage

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Single Phase Motors
Which of the following statements regarding repulsion-start induction motor is incorrect ?

It makes quite a bit of noise on starting
In fractional horse power motors, it has replaced the capacitor motors
It requires more maintenance of commutator and other mechanical devices
It is not easily reversed

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