Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Windage loss Bearing friction loss Core loss Copper loss Windage loss Bearing friction loss Core loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under excited Under loaded Over loaded Over excited Under excited Under loaded Over loaded Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable supply frequency Windage friction Variable load Variable frequency Variable supply frequency Windage friction Variable load Variable frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is maximum The armature current is zero None of the listed here The armature current is minimum The armature current is maximum The armature current is zero None of the listed here The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing 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 Damper winding on stator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Change supply frequency None of the listed here Reduce dc field excitation to zero Interchange any two stator lines Change supply frequency None of the listed here Reduce dc field excitation to zero Interchange any two stator lines ANSWER DOWNLOAD EXAMIANS APP
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