DC Generators The efficiency of a dc generator means its None of the listed here Overall efficiency Electrical efficiency Mechanical efficiency None of the listed here Overall efficiency Electrical efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Insulation pads Resistance wires Copper lugs Brazing Insulation pads Resistance wires Copper lugs Brazing ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 6 2 8 4 6 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To reduce the combined effect of armature reaction of both machines To increase the series flux So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generator provides approximately constant voltage from no load to full load? Shunt Over compounded Series Flat compounded Shunt Over compounded Series Flat compounded ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. Less than 0.5 % 15 to 25% 2% to 5% More than 20% Less than 0.5 % 15 to 25% 2% to 5% More than 20% ANSWER DOWNLOAD EXAMIANS APP
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