Synchronous Motors The back e.m.f. of a synchronous motor depends on All of these load angle load speed All of these load angle load speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Under-excited All of these Over-excited Normally excited Under-excited All of these Over-excited Normally excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. None of the listed here 0.8 leading 0.8 lagging Unity None of the listed here 0.8 leading 0.8 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Is at standstill Approches half synchronous speed Approches synchronous speed None of the listed here Is at standstill Approches half synchronous speed Approches synchronous speed None of the listed here 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 None of the listed here Damper winding on stator Damper winding on rotor poles Damper winding on stator as well as rotor poles None of the listed here Damper winding on stator Damper winding on rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor resembles an induction motor a rotary converter a series motor an alternator an induction motor a rotary converter a series motor an alternator ANSWER DOWNLOAD EXAMIANS APP
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