Single Phase Motors
Which motor is normally free from mechanical and magnetic vibrations?

Universal motor
Split phase motor
Hysteresis motor
Shaded pole motor

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

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

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