DC Generators The resistance of armature winding depends on Length of conductor Cross sectional area of the conductor All of the listed here Number of conductors Length of conductor Cross sectional area of the conductor All of the listed here Number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Frictional loss Hysteresis loss Copper loss Eddy current loss Frictional loss Hysteresis loss Copper loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to half of constant loss Equal to double the constant loss Equal to Constant loss None of the listed here Equal to half of constant loss Equal to double the constant loss Equal to Constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Armature Load Field Brushes Armature Load Field Brushes 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 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 The generator runs on full load The generator runs on overload 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 So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both machines So that two similar machines will pass approximately equal currents to the load To increase the speed and hence generated e.m.f. To increase the series flux ANSWER DOWNLOAD EXAMIANS APP
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