DC Generators Which of the following generating machine will offer constant voltage on all loads? All of these Separately excited generator Self-excited generator Level compounded generator All of these Separately excited generator Self-excited generator Level compounded generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature reaction in a dc generator can be increased by increasing the Field current Data is insufficient None of the listed here Armature current Field current Data is insufficient None of the listed here Armature current ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Same as the number of poles Double the number of poles Half the number of poles Two Same as the number of poles Double the number of poles Half the number of poles Two ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator None of the listed here Copper is harder than mica Mica and copper are equally hard Mica is harder than copper None of the listed here Copper is harder than mica Mica and copper are equally hard Mica is harder than copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines To increase the series flux So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ None of the listed here Salient pole arrangements None salient pole arrangements Both salient and non salient pole arrangements None of the listed here Salient pole arrangements None salient pole arrangements Both salient and non salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP