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Single Phase Motors

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

Motor winding
Commutator
Brushes
Control equipment

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

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

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Single Phase Motors
In a shaded pole motor, the direction of rotation is from

None of the listed here
Main poles to shaded pole
Shaded pole to main pole
Depends on supply line polarity

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Single Phase Motors
The motor used for the compressors is

c. series motor
reluctance motor
capacitor-start capacitor-run motor
shaded pole motor

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Single Phase Motors
Most of the troubles of single phase induction motors are traceable to the _______

Main winding
Shaft bearings
Starting switch
Rotor bars

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Single Phase Motors
A vaccum cleaner employs _______motor.

Single phase series motor
Shaded pole motor
Resistance split phase
Capacitor start

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