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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

30 to 40
70 to 80
80 to 90
100

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Single Phase Motors
The capacitor used in capacitor start motor is always a _______ capacitor.

Electrolyte
Mica
Ceramic
Paper

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Single Phase Motors
Which of the following applications always have some load whenever switched on?

Piston drills
All of the listed here
Vaccum cleaners
Fan motors

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Single Phase Motors
The motor used for the compressors is

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

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Single Phase Motors
A shaded pole motor does not possess

centrifugal switch
commutator
all of these
capacitor

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Single Phase Motors
A Reluctance motor

Is self starting
All of the listed here
Need no dc excitation
Is constant speed motor

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