Synchronous Motors A synchronous motor can be made self starting by providing 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 Damper winding on rotor poles None of the listed here Damper winding on stator as well as rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque when under loaded while over-excited only at synchronous speed below or above synchronous speed when under loaded while over-excited only at synchronous speed below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be more than the supply voltage equal to the supply voltage less than the supply voltage None of these more than the supply voltage equal to the supply voltage less than the supply voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under excited Over excited Over loaded Under loaded Under excited Over excited Over loaded Under loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping Sudden application of heavy loads Infrequent starting Variable speed Frequent stopping ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Any of the above Power factor of power drawn by the motor Motor speed Applied voltage of the motor Any of the above Power factor of power drawn by the motor Motor speed Applied voltage of the motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS