Synchronous Motors Power factor of a synchronous motor is unity when The armature current is minimum The armature current is zero The armature current is maximum None of the listed here The armature current is minimum The armature current is zero The armature current is maximum None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Excitation winding gets disconnected Load in motor varies Supply voltage fluctuates Supply voltage frequency changes Excitation winding gets disconnected Load in motor varies Supply voltage fluctuates Supply voltage frequency changes ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging, leading and unity power factors Unity power factor only Leading power factor Lagging power factor only Lagging, leading and unity power factors Unity power factor only Leading power factor Lagging power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc shunt generator Dc compound generator Dc series generator Synchronous motor Dc shunt generator Dc compound generator Dc series generator Synchronous motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Core loss Copper loss Bearing friction loss Windage loss Core loss Copper loss Bearing friction loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
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