Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it runs at a very high speed the motor stops it runs at a slower speed it continues to run at the same speed it runs at a very high speed the motor stops it runs at a slower speed it continues to run at the same speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Coincident with statorbpoles 45° (electrical) behind stator poles Mid way between N and S poles of stator None of the listed here Coincident with statorbpoles 45° (electrical) behind stator poles Mid way between N and S poles of stator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Zero Infinity One Two Zero Infinity One Two ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the forced vibrations will be maximum when driving A centrifugal blower Any of the listed here A reciprocating air compressor A centrifugal pump A centrifugal blower Any of the listed here A reciprocating air compressor A centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Mechanical synchronizer Phase advancer Voltage booster Noise generator Mechanical synchronizer Phase advancer Voltage booster Noise generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Leading power factor Lagging power factor only Lagging, leading and unity power factors Unity power factor only Leading power factor Lagging power factor only Lagging, leading and unity power factors Unity power factor only ANSWER DOWNLOAD EXAMIANS APP
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