Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as None of these pull-out torque pull-in torque pull-up torque None of these pull-out torque pull-in torque pull-up torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Induction type machines Alternator type machines Smooth cylindrical type machines Salient pole type machines Induction type machines Alternator type machines Smooth cylindrical type machines Salient pole type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will take less than the rated load run at 2/3 of synchronous speed not start run with excessive vibrations take less than the rated load run at 2/3 of synchronous speed not start run with excessive vibrations ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are zero or 0.8 leading unity or 0.8 leading unity or zero unity or 0.8 lagging zero or 0.8 leading unity or 0.8 leading unity or zero unity or 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ None of the listed here Over excited Normally excited Under excited None of the listed here Over excited Normally excited Under excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Power factor angle Synchronising angle Torque angle Angle of retardation Power factor angle Synchronising angle Torque angle Angle of retardation ANSWER DOWNLOAD EXAMIANS APP
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