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QUESTIONS

Single Phase Motors
Electrical faults in a motor occur must commonly in its

Brushes
Motor winding
Commutator
Control equipment

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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
In a repulsion motor, brushes are connected

To starting winding
To stator winding
Together by a jumper wire
To the external supply

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

Blown fuse
High voltage
Low voltage
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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