DC Generators In D.C. generators, current to the external circuit from armature is given through Commutator Slip rings None of above Solid connection Commutator Slip rings None of above Solid connection 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 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 generated e.m.f. To increase the series flux 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 generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Shunt field copper loss and mechanical loss Iron loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss Iron loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here 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 0.025 Ω 0.5 Ω 1 Ω 0.055 Ω 0.025 Ω 0.5 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Make the air gap flux uniform None of the listed here Increase the total flux Decrease the total flux Make the air gap flux uniform None of the listed here Increase the total flux Decrease the total flux ANSWER DOWNLOAD EXAMIANS APP
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