DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 5 percent 40 percent 25 percent 10 percent 5 percent 40 percent 25 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators In case of dc machines, mechanical losses are primary function of Current Speed Voltage None of the listed here Current Speed Voltage None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 620 V 600 V 580 V 640 V 620 V 600 V 580 V 640 V 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 salient pole arrangements None of the listed here Salient pole arrangements Both salient and non salient pole arrangements None salient pole arrangements None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 2% to 5% Less than 0.5 % More than 20% 15 to 25% 2% to 5% Less than 0.5 % More than 20% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to None of the listed here Number of poles Commutator pitch Number of pairs of poles None of the listed here Number of poles Commutator pitch Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
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