Synchronous Motors A synchronous motor runs at only one speed because it ______ Has a damper winding None of the listed here Is a doubly fed machine Has no losses Has a damper winding None of the listed here Is a doubly fed machine Has no losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by Provinding damper winding All of the listed here Pony motor Dc compound motor Provinding damper winding All of the listed here Pony motor Dc compound motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 0.005 1 0.01 zero 0.005 1 0.01 zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will not come upto speed Will fail to pull into step Will refused ro start Will overheat in spots Will not come upto speed Will fail to pull into step Will refused ro start Will overheat in spots ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Increases hunting of the motor Serves to start the motor Reduces windage losses Improve pf of the motor Increases hunting of the motor Serves to start the motor Reduces windage losses Improve pf of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ None of the listed here Mechanical load Field excitation Supply frequency None of the listed here Mechanical load Field excitation Supply frequency ANSWER DOWNLOAD EXAMIANS APP
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