Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic difference of Eb and V vector sum of Eb and V arithmetic sum of Eb and V vector difference of Eh and V arithmetic difference of Eb and V vector sum of Eb and V arithmetic sum of Eb and V vector difference of Eh and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. None of the listed here 0.8 leading Unity 0.8 lagging None of the listed here 0.8 leading Unity 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Remains unchanged Become zero Is decreased too much Is increased too much Remains unchanged Become zero Is decreased too much Is increased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ None of the listed here 16 30 36 None of the listed here 16 30 36 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor will always stop when Supply voltage frequency changes Supply voltage fluctuates Load in motor varies Excitation winding gets disconnected Supply voltage frequency changes Supply voltage fluctuates Load in motor varies Excitation winding gets disconnected ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor Always remains constant Decreases as the load decreases None of the listed here Increases as the load increases Always remains constant Decreases as the load decreases None of the listed here Increases as the load increases ANSWER DOWNLOAD EXAMIANS APP
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