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Single Phase Motors
The direction of rotation of shaded pole motor depends on ______
Which half of the pole is shaded
Number of poles on the stator
Supply frequency
Supply voltage
Which half of the pole is shaded
Number of poles on the stator
Supply frequency
Supply voltage
Answer
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Related Question
Single Phase Motors
What could be the size of a universal motor for use in vaccum cleaners?
3/4 HP
2 HP
1/4 HP
1 HP
3/4 HP
2 HP
1/4 HP
1 HP
Answer
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Single Phase Motors
When a universal motor is operated on no load, its speed is limited by
Armature reaction
Supply voltage frequency
Windage and friction
Weight of the armature
Armature reaction
Supply voltage frequency
Windage and friction
Weight of the armature
Answer
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Single Phase Motors
Which of the following statements regarding hysteresis motor is in incorrect ?
Its high starting torque is due to its high rotor hysteresis loss
It is extremely sensitive to fluctuations in supply voltage
It accelerates from rest to full-speed almost instantaneously
It is extremely quiet in operation
Its high starting torque is due to its high rotor hysteresis loss
It is extremely sensitive to fluctuations in supply voltage
It accelerates from rest to full-speed almost instantaneously
It is extremely quiet in operation
Answer
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Single Phase Motors
Which of the following motors is used for unity power factor ?
Hysteresis motor
Reluctance motor
Universal motor
Schrage motor
Hysteresis motor
Reluctance motor
Universal motor
Schrage motor
Answer
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Single Phase Motors
In a shaded pole motor the rotating magnetic field is produced by using
A capacitor
Salient poles
Shading coils
Copper windings
A capacitor
Salient poles
Shading coils
Copper windings
Answer
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