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Single Phase Motors
A vaccum cleaner employs _______motor.
Resistance split phase
Capacitor start
Single phase series motor
Shaded pole motor
Resistance split phase
Capacitor start
Single phase series motor
Shaded pole motor
Answer
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Related Question
Single Phase Motors
Capacitor motors _______resistance split phase induction motors.
Cost about the same as
Are costlier than
Poor starting torque than
Are less costly than
Cost about the same as
Are costlier than
Poor starting torque than
Are less costly than
Answer
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Single Phase Motors
The starting winding of a single phase induction motor has ______ that of main winding.
Same number of poles as
More poles than
None of the listed here
Less poles than
Same number of poles as
More poles than
None of the listed here
Less poles than
Answer
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Single Phase Motors
A universal motor can run on
AC only
None of the listed here
DC only
Either DC or AC
AC only
None of the listed here
DC only
Either DC or AC
Answer
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Single Phase Motors
When a universal motor is operated on no load, its speed is limited by
Weight of the armature
Armature reaction
Windage and friction
Supply voltage frequency
Weight of the armature
Armature reaction
Windage and friction
Supply voltage frequency
Answer
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Single Phase Motors
In a repulsion motor, brushes are connected
To stator winding
To the external supply
To starting winding
Together by a jumper wire
To stator winding
To the external supply
To starting winding
Together by a jumper wire
Answer
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