Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum The armature current is zero The armature current is minimum None of the listed here The armature current is maximum The armature current is zero The armature current is minimum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Induction type machines Salient pole type machines Smooth cylindrical type machines Alternator type machines Induction type machines Salient pole type machines Smooth cylindrical type machines Alternator type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 30° electrical 90° electrical 0° electrical 45° electrical 30° electrical 90° electrical 0° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Voltage booster Mechanical synchronizer Phase advancer Noise generator Voltage booster Mechanical synchronizer Phase advancer Noise generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Windage friction Variable load Variable supply frequency Variable frequency Windage friction Variable load Variable supply frequency Variable frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is zero 0.01 0.005 1 zero 0.01 0.005 1 ANSWER DOWNLOAD EXAMIANS APP