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 Interpoles Compensating winding Shifting of axis of brushes Dummy coils Interpoles Compensating winding Shifting of axis of brushes Dummy coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Cast iron Copper Mica Carbon Cast iron Copper Mica Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Compensating windings Copper brushes Equalisers Interpole windings Compensating windings Copper brushes Equalisers Interpole windings 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 In a long shunt compound wound generator , the shunt field is connected in parallel with Series field Series combination of armature and series field Armature Parallel combination of armature and series field Series field Series combination of armature and series field Armature Parallel combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
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