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Single Phase Motors

Single Phase Motors
A Reluctance motor

Is constant speed motor
All of the listed here
Is self starting
Need no dc excitation

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Single Phase Motors
A 4 pole, 50 Hz single phase induction motor has a slip of 5% . The speed of the motor will be

None of the listed here
1500 rpm
1425 rpm
1200 rpm

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Single Phase Motors
The resistance split phase induction motor is used in those application where ______

Starting is infrequent
Starting is frequent
Starting period is long
None of the listed here

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Single Phase Motors
A motor gets overheated due to

Worn bearings
All of the listed here
Overloads
Dry bearings

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Single Phase Motors
In split phase motor main winding is of

thin wire placed at the bottom of the slots
thick wire placed at the top of the? slots
thin wire placed at the top of the slots
thick wire placed at the bottom of the slots

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Single Phase Motors
The resistance split phase induction motors are the most popular single phase motors because of ______

The long starting period
Their low cost
Their high starting torque
None of the listed here

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MORE MCQ ON Single Phase Motors

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