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Single Phase Motors
If the single phase motor runs hot the probable cause cannot be
Blown fuse
Low voltage
Shorted stator coils
High voltage
Blown fuse
Low voltage
Shorted stator coils
High voltage
Answer
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Related Question
Single Phase Motors
Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed
100
30 to 40
70 to 80
80 to 90
100
30 to 40
70 to 80
80 to 90
Answer
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Single Phase Motors
The direction of rotation of shaded pole motor depends on ______
Number of poles on the stator
Supply voltage
Which half of the pole is shaded
Supply frequency
Number of poles on the stator
Supply voltage
Which half of the pole is shaded
Supply frequency
Answer
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Single Phase Motors
Reluctance motors are
None of the listed here
Singly excited
Doubly excited
Either of the listed
None of the listed here
Singly excited
Doubly excited
Either of the listed
Answer
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Single Phase Motors
Which of the following motors is generally used for elctric shavers?
Hysteresis motor
Shaded pole motor
Universal motor
Reluctance motor
Hysteresis motor
Shaded pole motor
Universal motor
Reluctance motor
Answer
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Single Phase Motors
Which of the following single-phase motors has relatively poor starting torque ?
Capacitor motor
All single phase motors have zero starting torque
Universal motor
Repulsion motor
Capacitor motor
All single phase motors have zero starting torque
Universal motor
Repulsion motor
Answer
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