Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 25 cycles/ second None of the listed here 50 cycles/second 100 cycles/second 25 cycles/ second None of the listed here 50 cycles/second 100 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at The synchronous speed Less than synchronous speed None of the listed here More than synchronous speed The synchronous speed Less than synchronous speed None of the listed here More than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The efficiency of a properly designed synchronous motor will usually fall in range 99 to 99.5% 85 to 95% 60 to 70% 75 to 80% 99 to 99.5% 85 to 95% 60 to 70% 75 to 80% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ An inductor A capacitor A resistor None of the listed here An inductor A capacitor A resistor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For the same active power consumed, the stator current of a synchronous motor is ______ that of a 3 phase induction motor. More than Less than The same as None of the listed here More than Less than The same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Most of the synchronous motors are _______ power factor metors. Unity 0.8 lagging 0.5 leading 0.8 leading Unity 0.8 lagging 0.5 leading 0.8 leading ANSWER DOWNLOAD EXAMIANS APP
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