Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Remains unchanged Becomes zero Is increased too much Is decreased too much Remains unchanged Becomes zero Is increased too much Is decreased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are zero or 0.8 leading unity or zero unity or 0.8 leading unity or 0.8 lagging zero or 0.8 leading unity or zero unity or 0.8 leading unity or 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ An inductor A resistor None of the listed here A capacitor An inductor A resistor None of the listed here A capacitor 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 In a synchronous motor, the magnitude of stator back emf depends on _____ Both the speed and rotor flux Load on the motor Speed of the rotor Dc excitation only Both the speed and rotor flux Load on the motor Speed of the rotor Dc excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Load in motor varies Supply voltage frequency changes Supply voltage fluctuates Excitation winding gets disconnected Load in motor varies Supply voltage frequency changes Supply voltage fluctuates Excitation winding gets disconnected ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS