Synchronous Motors The back e.m.f. of a synchronous motor depends on speed load load angle All of these speed load load angle All of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 0.5 6 to 9 1.25 to 3.5 5 to 10 0.5 6 to 9 1.25 to 3.5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor has large air gap mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed stator supply is relieved of responsibility of producing magnetic field synchronous motor has large air gap mechanical load on the motor can be adjusted synchronous motor runs at synchronous speed stator supply is relieved of responsibility of producing magnetic field ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor decreases with the increase in Flux density Speed All of the listed here Horse power rating Flux density Speed All of the listed here Horse power rating ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Load on the motor Dc excitation only Both the speed and rotor flux Speed of the rotor Load on the motor Dc excitation only Both the speed and rotor flux Speed of the rotor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Identical to that of a dc motor Nonsalient pole type Salient pole type None of the listed here Identical to that of a dc motor Nonsalient pole type Salient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS