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 The yoke of a dc machine carries ______ pole flux. Three times None of the listed here Two times the One-half of Three times None of the listed here Two times the One-half of ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 1% regulation 100% regulation Infinite regulation 50% regulation 1% regulation 100% regulation Infinite regulation 50% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 6 2 8 4 6 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Twice the pole pitch Pole pitch None of the listed here Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here Thrice the pole pitch ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the series flux To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the series flux To increase the generated e.m.f. So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines ANSWER DOWNLOAD EXAMIANS APP
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