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Single Phase Motors

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

Low voltage
Blown fuse
High voltage
Shorted stator coils

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Single Phase Motors
In repulsion motor direction of rotation of motor

is the same as that of brush shift
is opposite to that of brush shift
is independent of brush shift

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

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

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Single Phase Motors
A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is

1449 rpm
1120 rpm
1540 rpm
1279 rpm

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Single Phase Motors
A resistance split phase induction motor is used for ______

Very high inertia loads
High inertia loads
Low inertia loads
None of the listed here

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Single Phase Motors
Torque developed by a single phase induction motor at starting is

None of the listed here
Uniform
Nil
Pulsating

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MORE MCQ ON Single Phase Motors

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