Alternators In an alternator the armature reaction is mainly influenced by The power factor of the load Short circuit ratio Total current drawn Speed of the alternator The power factor of the load Short circuit ratio Total current drawn Speed of the alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators The ac armature winding of an alternator is _______ None of the listed here Star-delta connected Generally delta connected Always star connected None of the listed here Star-delta connected Generally delta connected Always star connected ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Positive Zero Unity Negative Positive Zero Unity Negative ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Ninth Seventh Fifth Third Ninth Seventh Fifth Third 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 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 Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Remains the same None of the listed here Is decreased Is increased Remains the same None of the listed here Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
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