DC Generators The commutator of a dc generator acts as A load None of the listed here An amplifier A rectifier A load None of the listed here An amplifier A rectifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakened as well as distorted Weakend only None of the listed here Distorted only Weakened as well as distorted Weakend only None of the listed here Distorted only ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 25 percent 10 percent 40 percent 5 percent 25 percent 10 percent 40 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving The brushes of same polarity should track each other All of these The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the main pole ahead Is the same as that of the immediately preceding pole Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS