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Single Phase Motors

Single Phase Motors
The rotor of a hysteresis motor is made of

Chrome steel
Copper
Cast iron
Aluminium

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Single Phase Motors
Which of the following motor will give the highest starting torque ?

C. shunt motor
Repulsion start and induction run motor
Universal motor
Schrage motor

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Single Phase Motors
The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor.

Shaded pole
Single phase series motor
Hysteresis motor
Capacitor run motor

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Single Phase Motors
If a single phase induction motor runs slower than normal, the most likely defect is

None of these
short-circuit in the winding
open-circuit in the winding
worn bearings

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Single Phase Motors
A shaded pole does not posses

Centrifugal switch
Capacitor
Commutator
All of the listed here

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Single Phase Motors
In a capacitor start, capacitor-run motor, _______ winding is cut out after starting.

Starting
Main
None of the listed here
Neither starting nor main

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