Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Half One fourth Unchanged Double Half One fourth Unchanged Double ANSWER DOWNLOAD EXAMIANS APP
Alternators High speed alternators are driven by _____. Hydraulic turbines Diesel engines None of the listed here Steam turbines Hydraulic turbines Diesel engines None of the listed here Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 8 12 4 2 8 12 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Fifth Third Seventh Ninth Fifth Third Seventh Ninth ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator is identical to that of a ______ 1-phase induction motor Roserberg generator 3-phase induction motor Dc generator 1-phase induction motor Roserberg generator 3-phase induction motor Dc generator 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 Unity 0.866 Zero lagging Zero leading Unity 0.866 ANSWER DOWNLOAD EXAMIANS APP