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Single Phase Motors

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

Copper
Cast iron
Chrome steel
Aluminium

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Single Phase Motors
In a universal motor, the most common cause of brush sparking is

shorted field winding?
open armature winding
high commutator mica
all of these

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Single Phase Motors
In a capacitor start motor, the phase displacement between starting and running winding can be nearly

60°
90°
10°
30°

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Single Phase Motors
A scharge motor can run on

All of the listed here
Zero slip
Positive slip
Negative slip

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Single Phase Motors
The capacitor used in capacitor start motor is always a _______ capacitor.

Paper
Electrolyte
Mica
Ceramic

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Single Phase Motors
The purpose of starting winding in a single phase induction motor is to _____

None of the listed here
Reduce losses
Produce rotating flux in conjunction with main winding
Limit temperature rise of the machine

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MORE MCQ ON Single Phase Motors

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