Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 4 8 12 2 4 8 12 ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 120 Hz 60 Hz 50 Hz None of the listed here 120 Hz 60 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, armature reaction is considered equivalent to Fictitious impedance Fictitious resistance Fictitious conductance Fictitious reactance Fictitious impedance Fictitious resistance Fictitious conductance Fictitious reactance ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of cycles generated in a 6-pole alternators in one revolution is _______ 6 50 None of the listed here 3 6 50 None of the listed here 3 ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is Armature Brushes Poles None of the listed here Armature Brushes Poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ None of the listed here Is increased Is decreased Remains the same None of the listed here Is increased Is decreased Remains the same ANSWER DOWNLOAD EXAMIANS APP