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Synchronous Motors
The size of a synchronous motor decreases with the increase in
Horse power rating
All of the listed here
Speed
Flux density
Horse power rating
All of the listed here
Speed
Flux density
Answer
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Related Question
Synchronous Motors
The ratio of starting torque to running torque in a synchronous motor is
Two
One
Zero
Infinity
Two
One
Zero
Infinity
Answer
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Synchronous Motors
The power factor of a synchronous motor is better than that of induction motor because
synchronous motor has large air gap
stator supply is relieved of responsibility of producing magnetic field
synchronous motor runs at synchronous speed
mechanical load on the motor can be adjusted
synchronous motor has large air gap
stator supply is relieved of responsibility of producing magnetic field
synchronous motor runs at synchronous speed
mechanical load on the motor can be adjusted
Answer
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Synchronous Motors
An over excited synchronous motor is used for
Power factor corrections
Variable speed loads
Low torque loads
Fluctuating loads
Power factor corrections
Variable speed loads
Low torque loads
Fluctuating loads
Answer
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Synchronous Motors
Synchronous motor always run at
None of the listed here
The synchronous speed
More than synchronous speed
Less than synchronous speed
None of the listed here
The synchronous speed
More than synchronous speed
Less than synchronous speed
Answer
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Synchronous Motors
Hunting in a synchronous motor cannot be due to
variable load
variable supply voltage
windage friction
variable frequency
variable load
variable supply voltage
windage friction
variable frequency
Answer
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