Synchronous Motors A synchronous motor is a ______ motor. Singly fed Variable speed None of the listed here Variable pf Singly fed Variable speed None of the listed here Variable pf ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing 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 Damper winding on rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by armature input supply lines c. source motor input armature input supply lines c. source motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be very small the stator current will be very high the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very small the stator current will be very high the stator current will be zero the back e.m.f. will be more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Invesely proportional to Independent of Directly proportional to Directly proportional to square of Invesely proportional to Independent of Directly proportional to Directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will not start run at 2/3 of synchronous speed take less than the rated load run with excessive vibrations not start run at 2/3 of synchronous speed take less than the rated load run with excessive vibrations ANSWER DOWNLOAD EXAMIANS APP
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