DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of opposite polarity should track each other The brushes of same polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of opposite polarity should track each other The brushes of same polarity should track each other All of these Brush position has no effect on the commutator grooving ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only None of the listed here Series generator only Both shunt and compound generator Shunt generator only None of the listed here Series generator only Both shunt and compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 8 6 2 4 8 6 2 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to None of the listed here Stray losses plus shunt cu loss Mechanical losses Stray losses None of the listed here Stray losses plus shunt cu loss Mechanical losses Stray losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator May be same or different Is different for different generators None of the listed here Is similar for all types of generators May be same or different Is different for different generators None of the listed here Is similar for all types of generators ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
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