Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Power factor angle Synchronising angle Angle of retardation Torque angle Power factor angle Synchronising angle Angle of retardation Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a 3-phase synchronous motor, the negative phase sequence exists when the motor is under-loaded None of these over-loaded supplied with unbalanced voltage under-loaded None of these over-loaded supplied with unbalanced voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Salient pole type machines Smooth cylindrical type machines Induction type machines Alternator type machines Salient pole type machines Smooth cylindrical type machines Induction type machines Alternator type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor Decreases as the load decreases Increases as the load increases Always remains constant None of the listed here Decreases as the load decreases Increases as the load increases Always remains constant None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque when under loaded while over-excited only at synchronous speed below or above synchronous speed when under loaded while over-excited only at synchronous speed below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be more than the supply voltage None of these equal to the supply voltage less than the supply voltage more than the supply voltage None of these equal to the supply voltage less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP