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Single Phase Motors

Single Phase Motors
The repulsion start induction run motor is used because of

good power factor
high starting torque
minimum cost
high efficiency

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Single Phase Motors
Which of the following motors is inherently self starting?

Shaded pole motor
Reluctance motor
None of the listed here
Split motor

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Single Phase Motors
Which of the following is most economical method of starting a single phase induction motor?

Inductance start method
Capacitor start method
Resistance start method
Split phase method

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Single Phase Motors
If the single phase motor runs hot the probable cause cannot be

Low voltage
High voltage
Blown fuse
Shorted stator coils

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Single Phase Motors
For the same rating, the efficiency of a single phase induction motor is _______ that of 3-phase induction motor.

None of the listed here
The same as
More than
Less than

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Single Phase Motors
A motor gets overheated due to

Overloads
All of the listed here
Dry bearings
Worn bearings

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MORE MCQ ON Single Phase Motors

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