DC Generators The field coil of dc generator are usually made of Carbon Cast iron Copper Mica Carbon Cast iron Copper Mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.055 Ω 0.5 Ω 0.025 Ω 1 Ω 0.055 Ω 0.5 Ω 0.025 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators Permeance is the reciprocal of Resistance Ampere turns Reluctance Flux density Resistance Ampere turns Reluctance Flux density ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. To increase the series flux So that two similar machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Sometime aid, sometime oppose Aid None of the listed here Oppose Sometime aid, sometime oppose Aid None of the listed here Oppose ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux ANSWER DOWNLOAD EXAMIANS APP
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