Synchronous Motors Slip rings in a synchronous motor carry No current All of the listed here Alternating current Direct current No current All of the listed here Alternating current Direct current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By changing the supply frequency By interchanging any two phases By changing the load By changing the applied voltage By changing the supply frequency By interchanging any two phases By changing the load By changing the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Improve pf of the motor Serves to start the motor Reduces windage losses Increases hunting of the motor Improve pf of the motor Serves to start the motor Reduces windage losses Increases hunting of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be leading unity zero lagging leading unity zero lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ None of the listed here Maximum Zero minimum None of the listed here Maximum Zero minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is None of the listed here An ordinary static capacitor bank An over excited synchronous motor driving mechanical load An over excited synchronous motor running without mechanical load None of the listed here An ordinary static capacitor bank An over excited synchronous motor driving mechanical load An over excited synchronous motor running without mechanical load ANSWER DOWNLOAD EXAMIANS APP
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