Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about None of these one hour one second one minute None of these one hour one second one minute ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will run at 2/3 of synchronous speed run with excessive vibrations take less than the rated load not start run at 2/3 of synchronous speed run with excessive vibrations take less than the rated load not start ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on rotor poles Damper winding on stator Damper winding on stator as well as rotor poles None of the listed here Damper winding on rotor poles Damper winding on stator Damper winding on stator as well as rotor poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have Three slip rings One slip rings No slip rings Two slip rings Three slip rings One slip rings No slip rings Two slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 1 zero 0.005 0.01 1 zero 0.005 0.01 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Torque angle Synchronising angle Angle of retardation Power factor angle Torque angle Synchronising angle Angle of retardation Power factor angle ANSWER DOWNLOAD EXAMIANS APP
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