DC Generators The purpose of providing dummy coils in a generator is To enhance flux density To amplify voltage To provide mechanical balance for the rotor To reduce eddy current losses To enhance flux density To amplify voltage To provide mechanical balance for the rotor To reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a _______ generator vary widely with changes in load current. None of the listed here Shunt Series Flat compounded None of the listed here Shunt Series Flat compounded 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 coils Number of armature conductors Number of armature turns Number of armature coil sides Number of armature coils Number of armature conductors Number of armature turns ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, current to the external circuit from armature is given through Commutator Slip rings Solid connection None of above Commutator Slip rings Solid connection None of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Constant loss Stray loss Variable loss None of the listed here Constant loss Stray loss Variable loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the speed and hence generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP
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