Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Extra high tension voltage Full armature voltage Low voltage Very low voltage Extra high tension voltage Full armature voltage Low voltage Very low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Twice Half Four times One-fourth Twice Half Four times One-fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction Large armature resistance 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 Unity Zero leading 0.866 Zero lagging Unity Zero leading 0.866 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 If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Remains the same Is decreased None of the listed here Is increased Remains the same Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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