Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Interchange any two stator lines 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 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One hour One minute None of the listed here One second One hour One minute None of the listed here One second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kVAR rating kVA rating None of the listed here kW rating kVAR rating kVA rating None of the listed here kW rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on stator None of the listed here Damper winding on rotor poles Damper winding on stator as well as rotor poles Damper winding on stator None of the listed here Damper winding on rotor poles Damper winding on stator as well as rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here Increases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor will ______ as the field excitation is increased. None of the listed here Decrease Remain unchanged Increase None of the listed here Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS