Synchronous Motors Synchronous motor always run at The synchronous speed Less than synchronous speed None of the listed here More than synchronous speed The synchronous speed Less than synchronous speed None of the listed here More than synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous 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 Improve pf of the motor Serves to start the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is on no load, the torque angle is about ________ 45° electrical 90° electrical 30° electrical 0° electrical 45° electrical 90° electrical 30° electrical 0° electrical ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ No load Full load None of the listed here Half full load No load Full load None of the listed here Half full load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Shorting of coils Rise in winding temperature Increased core losses Eddy current flow Shorting of coils Rise in winding temperature Increased core losses Eddy current flow ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load speed All of these load angle load speed All of these load angle ANSWER DOWNLOAD EXAMIANS APP