Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated rotor current More than rated horseppwer output Less than rated horsepower output None of the listed here More than rated rotor current More than rated horseppwer output Less than rated horsepower output None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Variable speed None of the listed here Variable pf Singly fed Variable speed None of the listed here Variable pf Singly fed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Salient pole type machines Alternator type machines Induction type machines Smooth cylindrical type machines Salient pole type machines Alternator type machines Induction type machines Smooth cylindrical type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor Decreases as the load decreases None of the listed here Increases as the load increases Always remains constant Decreases as the load decreases None of the listed here Increases as the load increases Always remains constant ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Motor speed Any of the above Power factor of power drawn by the motor Applied voltage of the motor Motor speed Any of the above Power factor of power drawn by the motor Applied voltage of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Field excitation Mechanical load None of the listed here Supply frequency Field excitation Mechanical load None of the listed here Supply frequency ANSWER DOWNLOAD EXAMIANS APP