Alternators Excessive windage loss and noise occur with Salient pole rotors Either cylindrical or salient Cylindrical rotors None of the listed here Salient pole rotors Either cylindrical or salient Cylindrical rotors None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators Modern 3-phase alternator of a central power station will have generated voltage of 11 kV 132 kV 400 V 230 V 11 kV 132 kV 400 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Zero Unity Positive Negative Zero Unity Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Alternators A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______ None of the listed here 0.5 0.866 1 None of the listed here 0.5 0.866 1 ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. None of the listed here Smaller than The same as Greater than None of the listed here Smaller than The same as Greater than ANSWER DOWNLOAD EXAMIANS APP