Synchronous Motors Hunting in a synchronous motor can not be due to Windage friction Variable load Variable frequency Variable supply frequency Windage friction Variable load Variable frequency Variable supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on speed All of these load angle load speed All of these load angle load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 0.5 1.25 to 3.5 6 to 9 5 to 10 0.5 1.25 to 3.5 6 to 9 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor lagging zero power factor leading unity power factor 0.707 power factor leading 0.707 power factor lagging zero power factor leading unity power factor 0.707 power factor leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on stator Damper winding on rotor poles None of the listed here Damper winding on stator as well as rotor poles Damper winding on stator Damper winding on rotor poles None of the listed here Damper winding on stator as well as rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ No load None of the listed here Half full load Full load No load None of the listed here Half full load Full load ANSWER DOWNLOAD EXAMIANS APP