Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its speed is independent of supply frequency its speed may be controlled more easily its power factor may be varied at will None of these its speed is independent of supply frequency its speed may be controlled more easily its power factor may be varied at will None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc series generator Synchronous motor Dc shunt generator Dc compound generator Dc series generator Synchronous motor Dc shunt generator Dc compound generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ None of the listed here A resistor An inductor A capacitor None of the listed here A resistor An inductor A capacitor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 lagging None of the listed here 0.8 leading Unity 0.8 lagging None of the listed here 0.8 leading Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of synchronous motor is excited with direct current when the motor _____ Is at standstill None of the listed here Approches synchronous speed Approches half synchronous speed Is at standstill None of the listed here Approches synchronous speed Approches half synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Over excited Over loaded Under excited Under loaded Over excited Over loaded Under excited Under loaded ANSWER DOWNLOAD EXAMIANS APP
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