DC Generators In a dc generator, armature reaction _____ pole tip. Strengthns the flux at the leading None of the listed here Weaknes the flux at the leading Weaknes the flux at the trailing Strengthns the flux at the leading None of the listed here Weaknes the flux at the leading Weaknes the flux at the trailing 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 1 Ω 0.055 Ω 0.5 Ω 0.025 Ω 1 Ω 0.055 Ω 0.5 Ω 0.025 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Armature Series field Series combination of armature and series field Parallel combination of armature and series field Armature Series field Series combination of armature and series field Parallel combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator is also called its_______ characteristic. External Performance Internal No load saturation External Performance Internal No load saturation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Commutating poles Field poles Armature Yoke Commutating poles Field poles Armature Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To increase the speed and hence generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load ANSWER DOWNLOAD EXAMIANS APP