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Single Phase Motors

Single Phase Motors
Which motor has unsymmetrical rotor?

Reluctance motor
Universal motor
Split phase motor
Shaded pole motor

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

30°
90°
10°
60°

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Single Phase Motors
The capacitor used in capacitor start motor is always a _______ capacitor.

Paper
Mica
Electrolyte
Ceramic

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Single Phase Motors
Electrical faults in a motor occur must commonly in its

Commutator
Control equipment
Motor winding
Brushes

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Single Phase Motors
Burning out of winding is due to

capacitor value hiving changed
short circuited capacitor
None of these
open circuiting of capacitor

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

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

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