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SINGLE PHASE MOTORS

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

High voltage
Low voltage
Blown fuse
Shorted stator coils

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Single Phase Motors
What could be the size of a universal motor for use in vaccum cleaners?

1/4 HP
3/4 HP
2 HP
1 HP

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Single Phase Motors
Which of the following application make use of a universal motor?

Portable tools
Oil expeller
Floor polishing machine
Lathe machines

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Single Phase Motors
Which of the following applications would need the smallest size of motor?

Sewing machine
Electric clock
Table fan
Domestic mixi

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

None of the listed here
Depends on supply line polarity
Shaded pole to main pole
Main poles to shaded pole

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