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Single Phase Motors

Single Phase Motors
A scharge motor can run on

Negative slip
Zero slip
All of the listed here
Positive slip

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Single Phase Motors
In case of a shaded pole motor the direction of rotation of the motor is

either of the above depending on power factor
from shaded pole to main pole
from main pole to shaded pole
either of the above depending on voltage

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Single Phase Motors
The single phase shaded pole motor has _____

High power factor
Squirrel cage motor
Wound rotor
High starting torque

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Single Phase Motors
The full load efficiency of a shaded pole motor is about _______

5 to 10%
30 to 35%
60 to 70%
70 to 80%

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Single Phase Motors
The repulsion start induction run motor is used because of

minimum cost
high starting torque
good power factor
high efficiency

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Single Phase Motors
For ceiling fans generally the single phase motor used is

Capacitor start and run type
Capacitor start type
Permanent capacitor type
Split phase type

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MORE MCQ ON Single Phase Motors

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