DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under North Pole Lie under South Pole Are farthest from the poles Lie under interpolar region Lie under North Pole Lie under South Pole Are farthest from the poles Lie under interpolar region ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Resistance wires Copper lugs Insulation pads Brazing Resistance wires Copper lugs Insulation pads Brazing ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Lap winding Magnetic material of high permeability Iron commutator High resistance winding material Lap winding Magnetic material of high permeability Iron commutator High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Pole pitch Thrice the pole pitch None of the listed here Twice the pole pitch Pole pitch Thrice the pole pitch None of the listed here Twice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The current in armature conductors of a dc machine is ______ Pure dc plus pulsating dc Pure dc Ac Pulsating dc Pure dc plus pulsating dc Pure dc Ac Pulsating dc ANSWER DOWNLOAD EXAMIANS APP