Synchronous Motors Synchronous motors are generally used in application requiring _______ Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Remains unchanged Is decreased too much Is increased too much Becomes zero Remains unchanged Is decreased too much Is increased too much Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Phase advancer Mechanical synchronizer Noise generator Voltage booster Phase advancer Mechanical synchronizer Noise generator Voltage booster ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Angle of retardation Power factor angle Synchronising angle Torque angle Angle of retardation Power factor angle Synchronising angle Torque angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 6 to 9 5 to 10 0.5 1.25 to 3.5 6 to 9 5 to 10 0.5 1.25 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted synchronous motor has large air gap stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed mechanical load on the motor can be adjusted ANSWER DOWNLOAD EXAMIANS APP
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