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Single Phase Motors

Single Phase Motors
The washing machine generally employs ______ motor.

Shaded pole
Resistance split phase
Single phase series motor
Hysteresis

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

70 to 80
80 to 90
30 to 40
100

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

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Single Phase Motors
The motor used on small lathes is usually

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

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Single Phase Motors
Which of the following single-phase motors has relatively poor starting torque ?

Repulsion motor
Capacitor motor
Universal motor
All single phase motors have zero starting torque

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Single Phase Motors
Which of the following motors is inherently self starting?

None of the listed here
Shaded pole motor
Reluctance motor
Split motor

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