Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is decreased too much Become zero Is increased too much Remains unchanged Is decreased too much Become zero Is increased too much Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a practical synchronous motor will occur when the torque angle is about _____ 45° 30° 75° 0° 45° 30° 75° 0° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on stator as well as rotor poles Damper winding on rotor poles None of the listed here Damper winding on stator Damper winding on stator as well as rotor poles Damper winding on rotor poles None of the listed here Damper winding on stator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Supply frequency Mechanical load Field excitation None of the listed here Supply frequency Mechanical load Field excitation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when None of the listed here The armature current is maximum The armature current is zero The armature current is minimum None of the listed here The armature current is maximum The armature current is zero The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc compound generator Dc shunt generator Dc series generator Synchronous motor Dc compound generator Dc shunt generator Dc series generator Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
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