Synchronous Motors The speed of a synchronous motor None of the listed here Increases as the load increases Always remains constant Decreases as the load decreases None of the listed here Increases as the load increases Always remains constant Decreases as the load decreases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at speed ranging from ______ 150 to 1800 rpm 1800 to 3600 rpm 3600 to 6000 rpm None of the listed here 150 to 1800 rpm 1800 to 3600 rpm 3600 to 6000 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is independent of _________. Field excitation Speed Torque angle Applied stator voltage Field excitation Speed Torque angle Applied stator voltage 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 zero the stator current will be very high the stator current will be very small the back e.m.f. will be more than the supply voltage the stator current will be zero the stator current will be very high the stator current will be very small the back e.m.f. will be more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 6 to 9 5 to 10 1.25 to 3.5 0.5 6 to 9 5 to 10 1.25 to 3.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Induction type machines Salient pole type machines Alternator type machines Smooth cylindrical type machines Induction type machines Salient pole type machines Alternator type machines Smooth cylindrical type machines ANSWER DOWNLOAD EXAMIANS APP