DC Generators In a wave winding, the commutator pitch is approximately equal to Twice the pole pitch Thrice the pole pitch None of the listed here Pole pitch Twice the pole pitch Thrice the pole pitch None of the listed here Pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of D.C. machine winding, number of commutator segments is equal to Number of armature coil sides Number of armature turns Number of armature conductors Number of armature coils Number of armature coil sides Number of armature turns Number of armature conductors Number of armature coils ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the None of the listed here Field current Armature current Data is insufficient None of the listed here Field current Armature current Data is insufficient ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Zero The same as rated voltage High Small Zero The same as rated voltage High Small ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of commutator segments Number of poles Number of pole pairs Number of parallel paths Number of commutator segments Number of poles Number of pole pairs Number of parallel paths 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
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