DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under North Pole Lie under interpolar region Are farthest from the poles Lie under South Pole Lie under North Pole Lie under interpolar region Are farthest from the poles Lie under South Pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Yoke Commutating poles Armature Field poles Yoke Commutating poles Armature Field poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing None of the listed here Strengthns the flux at the leading Weaknes the flux at the leading Weaknes the flux at the trailing None of the listed here Strengthns the flux at the leading Weaknes the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be Less than 150 V None of these Greater than 150 V 150 V Less than 150 V None of these Greater than 150 V 150 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
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