Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ A capacitor None of the listed here An inductor A resistor A capacitor None of the listed here An inductor A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have Three slip rings Two slip rings No slip rings One slip rings Three slip rings Two slip rings No slip rings One slip rings ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Dc excitation only Speed of the rotor Both the speed and rotor flux Load on the motor Dc excitation only Speed of the rotor Both the speed and rotor flux Load on the motor ANSWER DOWNLOAD EXAMIANS APP
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 The rotor of synchronous motor is excited with direct current when the motor _____ Approches half synchronous speed None of the listed here Is at standstill Approches synchronous speed Approches half synchronous speed None of the listed here Is at standstill Approches synchronous speed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS