DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper Using equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage None of these Will always be 250 V May be greater or less than 250 V Will be less than 250 V None of these Will always be 250 V May be greater or less than 250 V Will be less than 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.5 m 0.05 mm 0.005 mm 5 m 0.5 m 0.05 mm 0.005 mm 5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which 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 Lie under North Pole Lie under interpolar region ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will Excite to one half of full voltage Excite to full voltage None of the listed here Fail to excite Excite to one half of full voltage Excite to full voltage None of the listed here Fail to excite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS