DC Generators In a wave winding, the commutator pitch is approximately equal to None of the listed here Pole pitch Twice the pole pitch Thrice the pole pitch None of the listed here Pole pitch Twice the pole pitch Thrice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Reduce losses Facilitate commutation Save iron Reduce armature reaction Reduce losses Facilitate commutation Save iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the series flux To increase the speed and hence generated e.m.f. So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the series flux To increase the speed and hence generated e.m.f. So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Speed of armature Voltage Type of winding Amount of current to be collected Speed of armature Voltage Type of winding 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 Shifting of axis of brushes Dummy coils Interpoles Compensating winding Shifting of axis of brushes Dummy coils Interpoles Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to None of the listed here Number of pairs of poles Numbers of poles in the machine 1 None of the listed here Number of pairs of poles Numbers of poles in the machine 1 ANSWER DOWNLOAD EXAMIANS APP
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