DC Generators The brush voltage drop in dc machine is about _______ 2 V 0.1 V 10 V 20 V 2 V 0.1 V 10 V 20 V 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 The field structure of a dc machine uses ______ Salient pole arrangements Both salient and non salient pole arrangements None of the listed here None salient pole arrangements Salient pole arrangements Both salient and non salient pole arrangements None of the listed here None salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Shunt generator Separately excited generator Series generator Compound generator Shunt generator Separately excited generator Series generator Compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Parabola None of the listed here Hydrobola Straight line Parabola None of the listed here Hydrobola Straight line ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Decrease the total flux Make the air gap flux uniform None of the listed here Increase the total flux Decrease the total flux Make the air gap flux uniform None of the listed here Increase the total flux ANSWER DOWNLOAD EXAMIANS APP