Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. None of the listed here Less than About the same as More than None of the listed here Less than About the same as More than ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Ninth Third Seventh Fifth Ninth Third Seventh Fifth ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Increases None of the listed here Remians unchanged Decreases Increases None of the listed here Remians unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators The airgap in an alternator is ________ in an induction motor. Much longer than None of the listed here About same as Much shorter than Much longer than None of the listed here About same as Much shorter than ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ None of the listed here Hydraulic turbines Steam engine Steam turbines None of the listed here Hydraulic turbines Steam engine Steam turbines ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS