Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.8 leading 0.8 lagging Unity 0.5 leading 0.8 leading 0.8 lagging Unity 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is decreased too much Become zero Remains unchanged Is increased too much Is decreased too much Become zero Remains unchanged Is increased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Both the speed and rotor flux Speed of the rotor Dc excitation only Load on the motor Both the speed and rotor flux Speed of the rotor Dc excitation only Load on the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, 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 Polarity of rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ An inductor None of the listed here A capacitor A resistor An inductor None of the listed here A capacitor A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A three phase synchronous motor will have One slip rings Three slip rings No slip rings Two slip rings One slip rings Three slip rings No slip rings Two slip rings ANSWER DOWNLOAD EXAMIANS APP
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