Synchronous Motors A three phase synchronous motor will have Two slip rings Three slip rings One slip rings No slip rings Two slip rings Three slip rings One slip rings No slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the excitation is said to be zero per cent the motor is said to be fully loaded the torque generated is maximum the excitation is said to be hundred per cent the excitation is said to be zero per cent the motor is said to be fully loaded the torque generated is maximum the excitation is said to be hundred per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ Damper winding Pony motor None of the listed here Variable frequency source Damper winding Pony motor None of the listed here Variable frequency source ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under excited Over loaded Under loaded Over excited Under excited Over loaded Under loaded Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V vector sum of Eb and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Field excitation Mechanical load Supply frequency None of the listed here Field excitation Mechanical load Supply frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP