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Single Phase Motors

Single Phase Motors
If the single phase motor runs hot the probable cause cannot be

Blown fuse
High voltage
Shorted stator coils
Low voltage

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Single Phase Motors
A vaccum cleaner employs _______motor.

Resistance split phase
Capacitor start
Shaded pole motor
Single phase series motor

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Single Phase Motors
Torque developed by a single phase induction motor at starting is

Uniform
Pulsating
None of the listed here
Nil

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Single Phase Motors
In split phase motor main winding is of

thick wire placed at the top of the? slots
thin wire placed at the bottom of the slots
thick wire placed at the bottom of the slots
thin wire placed at the top of the slots

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Single Phase Motors
In a hysteresis motor, the rotor must have

Susceptibility
Retentivity
Resistivity
None of the listed here

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Single Phase Motors
Most of the fractional horsepower motors have either

ball or roller bearings
plain or sleeve bearings
hard and annealed bearings
soft and porous bearings

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MORE MCQ ON Single Phase Motors

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