DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Series Flat compounded Over compounded Shunt Series Flat compounded Over compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using conductor of annealed copper Using carbon brushes of superior quality Using commutator with large number of segments Using equalizer rings Using conductor of annealed copper Using carbon brushes of superior quality Using commutator with large number of segments Using equalizer rings ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 1600 800 3200 100 1600 800 3200 100 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to None of the listed here Make the air gap flux uniform Decrease the total flux Increase the total flux None of the listed here Make the air gap flux uniform Decrease the total flux Increase the total flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.005 mm 0.5 m 0.05 mm 5 m 0.005 mm 0.5 m 0.05 mm 5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 2% to 5% More than 20% 15 to 25% Less than 0.5 % 2% to 5% More than 20% 15 to 25% Less than 0.5 % ANSWER DOWNLOAD EXAMIANS APP