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Single Phase Motors

Single Phase Motors
In a shaded pole motor the rotating magnetic field is produced by using

Shading coils
Copper windings
Salient poles
A capacitor

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Single Phase Motors
A 4 pole, 50 Hz single phase induction motor has a slip of 5% . The speed of the motor will be

1425 rpm
1200 rpm
None of the listed here
1500 rpm

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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
Less than
More than
The same as

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Single Phase Motors
The speed/load characteristics of a universal motor is same as that of

AC motor
None of the listed here
DC series motor
DC shunt motor

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Single Phase Motors
The direction of rotation of an hysteresis motor is determined by

retentivity of the rotor material
interchanging the supply leads
position of shaded pole with respect to main pole
none of these

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Single Phase Motors
In a repulsion motor, brushes are connected

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

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MORE MCQ ON Single Phase Motors

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