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Single Phase Motors

Single Phase Motors
The speed of a universal motor is generally reduced by using

Chains
Gear trains
V-belts
Brakes

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Single Phase Motors
A shaded pole motor does not possess

all of these
commutator
centrifugal switch
capacitor

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

All loads
Full load
Starting
No load

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Single Phase Motors
When a universal motor is operated on no load, its speed is limited by

Weight of the armature
Windage and friction
Supply voltage frequency
Armature reaction

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Single Phase Motors
In a shaded pole motor the rotating magnetic field is produced by using

Salient poles
A capacitor
Shading coils
Copper windings

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Single Phase Motors
If a DC series motor is operated on AC supply, it will

Have poor power factor
Have poor efficiency
All of the listed here
Spark excessively

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MORE MCQ ON Single Phase Motors

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