Electrical Machines
Which type motors are preferred for lathes?

 Squirrel Cage induction motor.
 Either A or B.
 DC shunt motors.
 Synchronous motor.

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Electrical Machines
Cogging and crawling are phenomena associated with

 the former during starting and the latter at a fraction of its rated speed.
 cage induction machines and they are essentially the same.
 the former at a fraction of its rate speed and the latter during starting.
 any of the above.

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