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Synchronous Motors
The rotor copper losses, in a synchronous motor, are met by
c. source
armature input
motor input
supply lines
c. source
armature input
motor input
supply lines
Answer
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Related Question
Synchronous Motors
An over excited synchronous motor behaves as _____
A resistor
An inductor
A capacitor
None of the listed here
A resistor
An inductor
A capacitor
None of the listed here
Answer
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Synchronous Motors
The armature current of a synchronous motor will be minimum for ______ power factor.
0.8 leading
Unity
None of the listed here
0.8 lagging
0.8 leading
Unity
None of the listed here
0.8 lagging
Answer
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Synchronous Motors
If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______
50 cycles/second
100 cycles/second
None of the listed here
25 cycles/ second
50 cycles/second
100 cycles/second
None of the listed here
25 cycles/ second
Answer
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Synchronous Motors
Mostly, synchronous motors are of
Induction type machines
Alternator type machines
Smooth cylindrical type machines
Salient pole type machines
Induction type machines
Alternator type machines
Smooth cylindrical type machines
Salient pole type machines
Answer
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Synchronous Motors
The size of a synchronous motor decreases with the increase in
Speed
Horse power rating
All of the listed here
Flux density
Speed
Horse power rating
All of the listed here
Flux density
Answer
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