DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 9.1% 4.5% 11.3% 2.8% 9.1% 4.5% 11.3% 2.8% ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.05 mm 0.5 m 0.005 mm 5 m 0.05 mm 0.5 m 0.005 mm 5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field structure of a dc machine uses ______ None salient pole arrangements Both salient and non salient pole arrangements None of the listed here Salient pole arrangements None salient pole arrangements Both salient and non salient pole arrangements None of the listed here Salient pole arrangements ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be The same as rated voltage High Small Zero The same as rated voltage High Small Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Metal graphite brushes None of these Graphite brushes Carbon brushes Metal graphite brushes None of these Graphite brushes ANSWER DOWNLOAD EXAMIANS APP