Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 120 Hz 50 Hz 60 Hz None of the listed here 120 Hz 50 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It reduces the construction cost It limits the value of short circuit current None of the listed here We employ automatic voltage regulators It reduces the construction cost It limits the value of short circuit current None of the listed here We employ automatic voltage regulators ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage drop in an alternator when under load is due to ______ Armature resistance Armature reactance Armatute reaction All of the listed here Armature resistance Armature reactance Armatute reaction All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Transformer Rectifier None of the listed here Dc motor Transformer Rectifier None of the listed here Dc motor ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ Lagging VAR None of the listed here No reactive power Leading VAR Lagging VAR None of the listed here No reactive power Leading VAR ANSWER DOWNLOAD EXAMIANS APP
Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Ninth Seventh Third Fifth Ninth Seventh Third Fifth ANSWER DOWNLOAD EXAMIANS APP