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Single Phase Motors

Single Phase Motors
What could be the size of a universal motor for use in vaccum cleaners?

1 HP
2 HP
1/4 HP
3/4 HP

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Single Phase Motors
Capacitor motors _______resistance split phase induction motors.

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

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Single Phase Motors
Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed

100
70 to 80
80 to 90
30 to 40

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Single Phase Motors
The washing machine generally employs ______ motor.

Shaded pole
Single phase series motor
Resistance split phase
Hysteresis

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Single Phase Motors
The direction of rotation of universal motor can be reversed the by reversing the flow of current through

None of these
Armature winding
Field winding
Either armature winding or field winding

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Single Phase Motors
A shaded pole does not posses

Capacitor
Commutator
All of the listed here
Centrifugal switch

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