Synchronous Motors The speed of a synchronous motor Always remains constant Increases as the load increases Decreases as the load decreases None of the listed here Always remains constant Increases as the load increases Decreases as the load decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Leading power factor Unity power factor only Lagging, leading and unity power factors Lagging power factor only Leading power factor Unity power factor only Lagging, leading and unity power factors Lagging power factor only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated rotor current More than rated horseppwer output Less than rated horsepower output None of the listed here More than rated rotor current More than rated horseppwer output Less than rated horsepower output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at Less than synchronous speed None of the listed here More than synchronous speed The synchronous speed Less than synchronous speed None of the listed here More than synchronous speed The synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The magnitude of field flux in a 3-phase synchronous motor Varies with speed Varies with power factor Remains constant at all loads Varies with the load Varies with speed Varies with power factor Remains constant at all loads Varies with the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Improve pf of the motor Increases hunting of the motor Serves to start the motor Reduces windage losses Improve pf of the motor Increases hunting of the motor Serves to start the motor Reduces windage losses ANSWER DOWNLOAD EXAMIANS APP