DC Generators The number of parallel paths in a simplex lap winding is equal to None of the listed here 2 Number of poles Number of pairs of poles None of the listed here 2 Number of poles Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Lap winding Iron commutator Magnetic material of high permeability High resistance winding material Lap winding Iron commutator Magnetic material of high permeability High resistance winding material 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 Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature conductors Number of armature coils Number of armature turns Number of armature coil sides Number of armature conductors Number of armature coils Number of armature turns Number of armature coil sides ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Ball bearings Bush bearings Magnetic bearings Needle bearings Ball bearings Bush bearings Magnetic bearings Needle bearings ANSWER DOWNLOAD EXAMIANS APP