Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at zero power factor leading unity power factor 0.707 power factor lagging 0.707 power factor leading zero power factor leading unity power factor 0.707 power factor lagging 0.707 power factor leading ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles An alternator A series motor An induction motor A rotary converter An alternator A series motor An induction motor A rotary converter ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ A resistor None of the listed here A capacitor An inductor A resistor None of the listed here A capacitor An inductor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous machine with large air gap has a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit all of the listed here a small value of inherent regulation a higher synchronizing power which makes the machine less sensitive to load variations a higher value of stability limit all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ Change supply frequency None of the listed here Interchange any two stator lines Reduce dc field excitation to zero Change supply frequency None of the listed here Interchange any two stator lines Reduce dc field excitation to zero ANSWER DOWNLOAD EXAMIANS APP
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