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Single Phase Motors

Single Phase Motors
A motor gets overheated due to

All of the listed here
Overloads
Dry bearings
Worn bearings

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Single Phase Motors
A scharge motor can run on

Negative slip
Positive slip
All of the listed here
Zero slip

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Single Phase Motors
If the single phase motor runs hot the probable cause cannot be

Low voltage
High voltage
Shorted stator coils
Blown fuse

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Single Phase Motors
At starting, the line current of a capacitor start induction motor is ______ the normal full load current.

7 to 8 times
4 to 5 times
Equal to
8 to 10 times

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

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

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

Mica
Ceramic
Paper
Electrolyte

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