Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators are usually design to generate Variable frequncies Definite frequencies Definite power factor Definite currents Variable frequncies Definite frequencies Definite power factor Definite currents ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator rarely uses _____slots. None of the listed here Closed type Wide open type Semi-closed type None of the listed here Closed type Wide open type Semi-closed type ANSWER DOWNLOAD EXAMIANS APP
Alternators Modern 3-phase alternator of a central power station will have generated voltage of 132 kV 400 V 230 V 11 kV 132 kV 400 V 230 V 11 kV ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Is decreased Remains the same None of the listed here Is increased Is decreased Remains the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the armature reaction will be completely magnetizing in case the load power factor is Zero lagging Zero leading 0.866 Unity Zero lagging Zero leading 0.866 Unity ANSWER DOWNLOAD EXAMIANS APP
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