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
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 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 the motor is said to be fully loaded the torque generated is maximum the excitation is said to be hundred per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable frequency Variable load Windage friction Variable supply frequency Variable frequency Variable load Windage friction Variable supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over 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 When the field of a synchronous motor is under-excited, the power factor will be lagging zero unity leading lagging zero unity leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at The synchronous speed None of the listed here More than synchronous speed Less than synchronous speed The synchronous speed None of the listed here More than synchronous speed Less than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
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