Synchronous Motors The back emf in the stator of a synchronous motor depends on None of the listed here Rotor excitation Flux density Rotor speed None of the listed here Rotor excitation Flux density Rotor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is increased too much Remains unchanged Become zero Is decreased too much Is increased too much Remains unchanged Become zero Is decreased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 6 2 5 0.5 6 2 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the vector difference of Eh and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector sum of Eb and V vector difference of Eh and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector sum of Eb and V 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
Synchronous Motors A synchronous motor runs at only one speed because it ______ Has a damper winding Has no losses Is a doubly fed machine None of the listed here Has a damper winding Has no losses Is a doubly fed machine None of the listed here ANSWER DOWNLOAD EXAMIANS APP