Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased Is increased Remains the same None of the listed here Is decreased Is increased Remains the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Phase sequence Field excitation of alternators Driving torques of prime movers None of the listed here Phase sequence Field excitation of alternators Driving torques of prime movers None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be More efficient Operating at high rpm Larger in size More costly More efficient Operating at high rpm Larger in size More costly ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Increases Remians unchanged Decreases None of the listed here Increases Remians unchanged Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 400 Hz 60 Hz 50 Hz 500 Hz 400 Hz 60 Hz 50 Hz 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator rarely uses _____slots. Semi-closed type Wide open type Closed type None of the listed here Semi-closed type Wide open type Closed type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS