Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, Polarity of rotor poles None of the listed here Supply phase sequence Current to field winding Polarity of rotor poles None of the listed here Supply phase sequence Current to field winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the motor is said to be fully loaded the torque generated is maximum the excitation is said to be hundred per cent the excitation is said to be zero per cent the motor is said to be fully loaded the torque generated is maximum the excitation is said to be hundred per cent the excitation is said to be zero per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable load windage friction variable supply voltage variable frequency variable load windage friction variable supply voltage variable frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load All of these speed load angle load All of these speed load angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ None of the listed here A resistor A capacitor An inductor None of the listed here A resistor A capacitor An inductor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Noise generator Phase advancer Mechanical synchronizer Voltage booster Noise generator Phase advancer Mechanical synchronizer Voltage booster ANSWER DOWNLOAD EXAMIANS APP