Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at 0.707 power factor leading 0.707 power factor lagging unity power factor zero power factor leading 0.707 power factor leading 0.707 power factor lagging unity power factor zero power factor leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it continues to run at the same speed it runs at a slower speed the motor stops it runs at a very high speed it continues to run at the same speed it runs at a slower speed the motor stops it runs at a very high speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ None of the listed here Full load Half full load No load None of the listed here Full load Half full load No load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The net armature voltage of a synchronous motor is equal to the arithmetic difference of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic sum of Eb and V arithmetic difference of Eb and V vector difference of Eh and V vector sum of Eb and V arithmetic sum of Eb and V ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor Always remains constant None of the listed here Increases as the load increases Decreases as the load decreases Always remains constant None of the listed here Increases as the load increases Decreases as the load decreases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Unity power factor only Lagging, leading and unity power factors Leading power factor Lagging power factor only Unity power factor only Lagging, leading and unity power factors Leading power factor Lagging power factor only ANSWER DOWNLOAD EXAMIANS APP