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Single Phase Motors

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

minimum cost
good power factor
high efficiency
high starting torque

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Single Phase Motors
Which of the following single phase motor is available with speed as low as one revolution per month?

Hysteresis
Shaded pole
Universal
Reluctance

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Single Phase Motors
Most of the single phase induction motor are _____ machines.

4-pole
8-pole
6-pole
2-pole

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Single Phase Motors
The direction of rotation of universal motor can be reversed the by reversing the flow of current through

Armature winding
None of these
Either armature winding or field winding
Field winding

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Single Phase Motors
A scharge motor can run on

Zero slip
Positive slip
All of the listed here
Negative slip

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Single Phase Motors
The capacitor start, capacitor run induction motor acts as a true 2-phase motor at _______

Full load
Starting
No load
All loads

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