Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased Remains the same None of the listed here Is increased Is decreased Remains the same None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP
Alternators High speed alternators are driven by _____. Diesel engines Steam turbines Hydraulic turbines None of the listed here Diesel engines Steam turbines Hydraulic turbines None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ None of the listed here Dc field excitation Armature reaction Leakage flux None of the listed here Dc field excitation Armature reaction Leakage flux ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 192 rad/s 212 rad/s 118 rad/s 157 rad/s 192 rad/s 212 rad/s 118 rad/s 157 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 3000 rpm 1000 rpm 500 rpm 1500 rpm 3000 rpm 1000 rpm 500 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ None of the listed here No reactive power Leading VAR Lagging VAR None of the listed here No reactive power Leading VAR Lagging VAR ANSWER DOWNLOAD EXAMIANS APP
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