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Single Phase Motors

Single Phase Motors
In a capacitor start motor, the phase displacement between starting and running winding can be nearly

60°
90°
10°
30°

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Single Phase Motors
Which motor will make least noise?

Hysteresis motor
Shaded pole motor
Universal motor
Capacitor motor

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Single Phase Motors
A shaded pole motor can be used for

Hair dryers
Any of the listed here
Circulators
Toys

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Single Phase Motors
The capacitor start, capacitor run motor has _______

No centrifugal switch
Low efficiency
Low power factor
Noisy operation

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Single Phase Motors
A Reluctance motor

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

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Single Phase Motors
In a repulsion motor, brushes are connected

To stator winding
To starting winding
To the external supply
Together by a jumper wire

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MORE MCQ ON Single Phase Motors

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