Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with power factor Varies with the load Varies with speed Remains constant at all loads Varies with power factor Varies with the load Varies with speed Remains constant at all loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Directly proportional to square of Directly proportional to Independent of Invesely proportional to Directly proportional to square of Directly proportional to Independent of Invesely proportional to ANSWER DOWNLOAD EXAMIANS APP
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 DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always Zero Positive 0.5% 1% Zero Positive 0.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on speed load angle All of these load speed load angle All of these load 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 mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed synchronous motor has large air gap ANSWER DOWNLOAD EXAMIANS APP
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