DC Generators To avoid formation of grooves in the commutator of a D.C. machine Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other All of these The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators The essential condition for parallel operation of two D.C. generators is that they have The same drooping voltage characteristics Same kW rating Same percentage regulation The same operation r.p.m. The same drooping voltage characteristics Same kW rating Same percentage regulation The same operation r.p.m. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the generated voltage depend upon Speed only None of the listed here Both speed and flux Flux only Speed only None of the listed here Both speed and flux Flux only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is 8 4 2 6 8 4 2 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is None of the listed here Weakened as well as distorted Weakend only Distorted only None of the listed here Weakened as well as distorted Weakend only Distorted only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as None of the listed here A load A rectifier An amplifier None of the listed here A load A rectifier An amplifier ANSWER DOWNLOAD EXAMIANS APP
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