DC Generators The rapid wear of brushes takes place due to Rough commutator bars Excessive spring pressure Abrasion from dust All of these Rough commutator bars Excessive spring pressure Abrasion from dust All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Commutator Slip rings Solid connection None of above Commutator Slip rings Solid connection None of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under South Pole Lie under North Pole Are farthest from the poles Lie under interpolar region Lie under South Pole Lie under North Pole Are farthest from the poles Lie under interpolar region ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation 100% regulation Infinite regulation 50% regulation 1% regulation 100% regulation Infinite regulation 50% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Case iron Silicon steel Carbon Stainless steel Case iron Silicon steel Carbon Stainless steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Hysteresis loss Copper loss Frictional loss Eddy current loss Hysteresis loss Copper loss Frictional loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
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