Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased None of the listed here Remains the same Is decreased Is increased None of the listed here Remains the same Is decreased ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ None of the listed here Voltage round the coil is reduced Waveform becomes non-sinusoidal Harmonics are introduced None of the listed here Voltage round the coil is reduced Waveform becomes non-sinusoidal Harmonics are introduced ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Much lower than that of power transformer Equal to that of power transformer None of the listed here Much higher than that of a power transformer Much lower than that of power transformer Equal to that of power transformer None of the listed here Much higher than that of a power transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. None of the listed here Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be Operating at high rpm Larger in size More efficient More costly Operating at high rpm Larger in size More efficient More costly ANSWER DOWNLOAD EXAMIANS APP
Alternators The alternators driven by _______ do not have a tendency to hunt. Diesel engines None of the listed here Steam turbines Water turbines Diesel engines None of the listed here Steam turbines Water turbines ANSWER DOWNLOAD EXAMIANS APP
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