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
Synchronous Motors Synchronous capacitor is An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load None of the listed here An ordinary static capacitor bank An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load None of the listed here An ordinary static capacitor bank ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Frequent stopping Infrequent starting Variable speed Sudden application of heavy loads Frequent stopping Infrequent starting Variable speed Sudden application of heavy loads ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Bearing friction loss Core loss Windage loss Copper loss Bearing friction loss Core loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by using brakes changing frequency changing the supply voltage changing the load using brakes changing frequency changing the supply voltage changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ minimum Maximum None of the listed here Zero minimum Maximum None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
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