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Single Phase Motors

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
Which motor has unsymmetrical rotor?

Universal motor
Split phase motor
Reluctance motor
Shaded pole motor

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Single Phase Motors
For the same rating, a dc series motor costs ______single phase series motor.

None of the listed here
More than
Less than
About the same

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

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Single Phase Motors
For ceiling fans generally the single phase motor used is

Capacitor start and run type
Permanent capacitor type
Split phase type
Capacitor start type

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Single Phase Motors
The motor used for the compressors is

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

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MORE MCQ ON Single Phase Motors

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