DC Generators A 4-pole dc machine has _____ magnetic circuits. 4 8 2 6 4 8 2 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when There is no load on the generator The generator runs on overload The generator runs on full load The generator runs on designed speed There is no load on the generator The generator runs on overload The generator runs on full load The generator runs on designed speed ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage Will always be 250 V May be greater or less than 250 V None of these Will be less than 250 V Will always be 250 V May be greater or less than 250 V None of these Will be less than 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 10 V 20 V 0.1 V 2 V 10 V 20 V 0.1 V 2 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Sinusoidal Triangular Flat topped Pulsating Sinusoidal Triangular Flat topped Pulsating ANSWER DOWNLOAD EXAMIANS APP