DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 10 percent 40 percent 25 percent 5 percent 10 percent 40 percent 25 percent 5 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Copper Mica Cast iron Carbon Copper Mica Cast iron Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Armature winding Commutator None of the listed here Field winding Armature winding Commutator None of the listed here Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 0.1 V 2 V 20 V 10 V 0.1 V 2 V 20 V 10 V 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 So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
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