Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor runs at synchronous speed stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap mechanical load on the motor can be adjusted ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Leading power factor Lagging power factor only Unity power factor only Lagging, leading and unity power factors Leading power factor Lagging power factor only Unity power factor only Lagging, leading and unity power factors ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ None of the listed here Pony motor Damper winding Variable frequency source None of the listed here Pony motor Damper winding Variable frequency source ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Load in motor varies Supply voltage frequency changes Excitation winding gets disconnected Supply voltage fluctuates Load in motor varies Supply voltage frequency changes Excitation winding gets disconnected Supply voltage fluctuates ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Increases Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. Decrease None of the listed here Increase Remain unchanged Decrease None of the listed here Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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