Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Core loss Windage loss Bearing friction loss Copper loss Core loss Windage loss Bearing friction loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be unity lagging zero leading unity lagging zero leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ None of the listed here 25 cycles/ second 100 cycles/second 50 cycles/second None of the listed here 25 cycles/ second 100 cycles/second 50 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have Three slip rings Two slip rings One slip rings No slip rings Three slip rings Two slip rings One slip rings No slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The capacity of a synchronous capacitor is generally in the range of MVAR None of the listed here kVAR VAR MVAR None of the listed here kVAR VAR ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The angle between the rotor poles and stator poles, in a synchronous motor, is known as Angle of retardation Torque angle Synchronising angle Power factor angle Angle of retardation Torque angle Synchronising angle Power factor angle ANSWER DOWNLOAD EXAMIANS APP