Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 50 cycles/second 25 cycles/ second None of the listed here 100 cycles/second 50 cycles/second 25 cycles/ second None of the listed here 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 0° electrical 90° electrical 30° electrical 45° electrical 0° electrical 90° electrical 30° electrical 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 Hunting in a synchronous motor cannot be due to variable load variable frequency windage friction variable supply voltage variable load variable frequency windage friction variable supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the load changing frequency changing the supply voltage using brakes changing the load changing frequency changing the supply voltage using brakes ANSWER DOWNLOAD EXAMIANS APP
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