Synchronous Motors Synchronous motor always run at Less than synchronous speed More than synchronous speed The synchronous speed None of the listed here Less than synchronous speed More than synchronous speed The synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Remains unchanged Is increased too much Is decreased too much Become zero Remains unchanged Is increased too much Is decreased too much Become zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 6 to 9 0.5 5 to 10 1.25 to 3.5 6 to 9 0.5 5 to 10 1.25 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, None of the listed here Polarity of rotor poles Current to field winding Supply phase sequence None of the listed here Polarity of rotor poles Current to field winding Supply phase sequence ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For the same active power consumed, the stator current of a synchronous motor is ______ that of a 3 phase induction motor. More than None of the listed here Less than The same as More than None of the listed here Less than The same as ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be leading zero lagging unity leading zero lagging unity ANSWER DOWNLOAD EXAMIANS APP