Synchronous Motors When the synchronous motor is pulled out of synchronism, the stator current _______ Becomes zero Is decreased too much Remains unchanged Is increased too much Becomes zero Is decreased too much Remains unchanged Is increased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always 1% Zero 0.5% Positive 1% Zero 0.5% Positive ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Mechanical load None of the listed here Supply frequency Field excitation Mechanical load None of the listed here Supply frequency Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Windage loss Bearing friction loss Copper loss Core loss Windage loss Bearing friction loss Copper loss Core loss 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 An ordinary static capacitor bank None of the listed here An over excited synchronous motor running without mechanical load An over excited synchronous motor driving mechanical load An ordinary static capacitor bank None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Damper winding in a synchronous motor________ Serves to start the motor Increases hunting of the motor Reduces windage losses Improve pf of the motor Serves to start the motor Increases hunting of the motor Reduces windage losses Improve pf of the motor ANSWER DOWNLOAD EXAMIANS APP
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