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Synchronous Motors
The mechanical power developed by a synchronous motor is ______ stator voltage.
Directly proportional to
Directly proportional to square of
Invesely proportional to
Independent of
Directly proportional to
Directly proportional to square of
Invesely proportional to
Independent of
Answer
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Related Question
Synchronous Motors
Synchronous motor always run at
Less than synchronous speed
The synchronous speed
More than synchronous speed
None of the listed here
Less than synchronous speed
The synchronous speed
More than synchronous speed
None of the listed here
Answer
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Synchronous Motors
In a synchronous motor which loss varies with load ?
Bearing friction loss
Windage loss
Copper loss
Core loss
Bearing friction loss
Windage loss
Copper loss
Core loss
Answer
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Synchronous Motors
The angle between the rotor poles and stator poles, in a synchronous motor, is known as
Synchronising angle
Angle of retardation
Power factor angle
Torque angle
Synchronising angle
Angle of retardation
Power factor angle
Torque angle
Answer
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Synchronous Motors
Most of the synchronous motors are _______ power factor metors.
0.8 lagging
Unity
0.8 leading
0.5 leading
0.8 lagging
Unity
0.8 leading
0.5 leading
Answer
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Synchronous Motors
The speed of a synchronous motor
Decreases as the load decreases
Always remains constant
None of the listed here
Increases as the load increases
Decreases as the load decreases
Always remains constant
None of the listed here
Increases as the load increases
Answer
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