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Single Phase Motors
Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed
30 to 40
100
70 to 80
80 to 90
30 to 40
100
70 to 80
80 to 90
Answer
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Related Question
Single Phase Motors
If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ?
Shaded pole type motor
Capacitor start motor
Capacitor start and run motor
Universal motor
Shaded pole type motor
Capacitor start motor
Capacitor start and run motor
Universal motor
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
A capacitor selected for capacitor run motor should be rated for
Rms voltage
None of the listed here
Peak voltage
Average voltage
Rms voltage
None of the listed here
Peak voltage
Average voltage
Answer
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Single Phase Motors
A vaccum cleaner employs _______motor.
Single phase series motor
Capacitor start
Resistance split phase
Shaded pole motor
Single phase series motor
Capacitor start
Resistance split phase
Shaded pole motor
Answer
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Single Phase Motors
Burning out of winding is due to
open circuiting of capacitor
capacitor value hiving changed
None of these
short circuited capacitor
open circuiting of capacitor
capacitor value hiving changed
None of these
short circuited capacitor
Answer
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