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 A synchronous motor working at leading power factor can be used as Mechanical synchronizer Voltage booster Noise generator Phase advancer Mechanical synchronizer Voltage booster Noise generator Phase advancer ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 1 0.01 0.005 zero 1 0.01 0.005 zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Is at standstill Approches half synchronous speed Approches synchronous speed None of the listed here Is at standstill Approches half synchronous speed Approches synchronous speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ None of the listed here 25 cycles/ second 100 cycles/second 50 cycles/second None of the listed here 25 cycles/ second 100 cycles/second 50 cycles/second 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
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