DC Generators In dc generator, the generated voltage depend upon Speed only None of the listed here Both speed and flux Flux only Speed only None of the listed here Both speed and flux Flux only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature resistance drop Field weakening due to armature reaction and armature Commutation Armature reaction Armature resistance drop Field weakening due to armature reaction and armature Commutation Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through None of above Commutator Slip rings Solid connection None of above Commutator Slip rings Solid connection ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to None of the listed here Commutator pitch Number of poles Number of pairs of poles None of the listed here Commutator pitch Number of poles Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Constant loss Mechanical loss Iron loss Stray loss Constant loss Mechanical loss Iron loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
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