DC Generators Brushes of D.C. machines are made of Carbon Soft copper All of above Hard copper Carbon Soft copper All of above Hard copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Mechanical loss Iron loss Constant loss Stray loss Mechanical loss Iron loss Constant loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of parallel paths Number of commutator segments Number of poles Number of pole pairs Number of parallel paths Number of commutator segments Number of poles Number of pole pairs ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when The generator runs on full load The generator runs on overload The generator runs on designed speed There is no load on the generator The generator runs on full load The generator runs on overload The generator runs on designed speed There is no load on the generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here Decrease the total flux Make the air gap flux uniform Increase the total flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Overall efficiency None of the listed here Electrical efficiency Mechanical efficiency Overall efficiency None of the listed here Electrical efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP