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Single Phase Motors

Single Phase Motors
Which motor has unsymmetrical rotor?

Reluctance motor
Split phase motor
Universal motor
Shaded pole motor

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Single Phase Motors
Capacitor motors _______resistance split phase induction motors.

Are less costly than
Cost about the same as
Are costlier than
Poor starting torque than

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Single Phase Motors
A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will

start and run at rated speed
start and run slowly
not start at all
start and then stop

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Single Phase Motors
The motor used on small lathes is usually

Single phase capacitor run motor
Dc shunt motor
3-phase synchronous motor
Universal motor

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Single Phase Motors
A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is

1120 rpm
1279 rpm
1540 rpm
1449 rpm

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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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MORE MCQ ON Single Phase Motors

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