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Single Phase Motors
In a capacitor start motor, the phase displacement between starting and running winding can be nearly
10°
90°
30°
60°
10°
90°
30°
60°
Answer
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Related Question
Single Phase Motors
Which of the following motor can be used for unity power factor?
Hysteresis motor
Shaded pole motor
Capacitor run motor
Scharge motor
Hysteresis motor
Shaded pole motor
Capacitor run motor
Scharge motor
Answer
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Single Phase Motors
The direction of rotation of an hysteresis motor is determined by
interchanging the supply leads
position of shaded pole with respect to main pole
retentivity of the rotor material
none of these
interchanging the supply leads
position of shaded pole with respect to main pole
retentivity of the rotor material
none of these
Answer
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Single Phase Motors
The speed of a universal motor is generally reduced by using
Gear trains
Brakes
Chains
V-belts
Gear trains
Brakes
Chains
V-belts
Answer
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Single Phase Motors
In a capacitor start, capacitor-run motor, _______ winding is cut out after starting.
Neither starting nor main
Starting
None of the listed here
Main
Neither starting nor main
Starting
None of the listed here
Main
Answer
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Single Phase Motors
Which of the following applications always have some load whenever switched on?
All of the listed here
Fan motors
Vaccum cleaners
Piston drills
All of the listed here
Fan motors
Vaccum cleaners
Piston drills
Answer
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