Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle speed All of these load load angle speed All of these load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc compound generator Synchronous motor Dc series generator Dc shunt generator Dc compound generator Synchronous motor Dc series generator Dc shunt generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ Variable frequency source None of the listed here Pony motor Damper winding Variable frequency source None of the listed here Pony motor Damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging, leading and unity power factors Unity power factor only Lagging power factor only Leading power factor Lagging, leading and unity power factors Unity power factor only Lagging power factor only Leading power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 0.5 2 5 6 0.5 2 5 6 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Improve pf of the motor Reduces windage losses Increases hunting of the motor Serves to start the motor Improve pf of the motor Reduces windage losses Increases hunting of the motor ANSWER DOWNLOAD EXAMIANS APP
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