Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 4 percent 10 percent Zero 2 percent 4 percent 10 percent Zero 2 percent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ Under excited Normally excited Over excited None of the listed here Under excited Normally excited Over excited None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Frequent stopping Variable speed Infrequent starting Sudden application of heavy loads Frequent stopping Variable speed Infrequent starting Sudden application of heavy loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor can not be due to Variable supply frequency Variable frequency Variable load Windage friction Variable supply frequency Variable frequency Variable load Windage friction ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by supply lines armature input c. source motor input supply lines armature input c. source motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Phase advancer Noise generator Voltage booster Mechanical synchronizer Phase advancer Noise generator Voltage booster Mechanical synchronizer ANSWER DOWNLOAD EXAMIANS APP