Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 212 rad/s 192 rad/s 118 rad/s 157 rad/s 212 rad/s 192 rad/s 118 rad/s 157 rad/s 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. Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Smaller than None of the listed here The same as Greater than Smaller than None of the listed here The same as Greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is None of the listed here Armature Brushes Poles None of the listed here Armature Brushes Poles ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Third Fifth Seventh Ninth Third Fifth Seventh Ninth ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ None of the listed here Pf becomes more lagging Output kW will change Pf becomes more leading None of the listed here Pf becomes more lagging Output kW will change Pf becomes more leading ANSWER DOWNLOAD EXAMIANS APP
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