DC Generators The current in armature conductors of a dc machine is ______ Pure dc plus pulsating dc Pure dc Pulsating dc Ac Pure dc plus pulsating dc Pure dc Pulsating dc Ac ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be Greater than 150 V None of these 150 V Less than 150 V Greater than 150 V None of these 150 V Less than 150 V 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 conductor of annealed copper Using commutator with large number of segments Using carbon brushes of superior quality Using equalizer rings Using conductor of annealed copper Using commutator with large number of segments Using carbon brushes of superior quality ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Constant loss Stray loss Variable loss None of the listed here Constant loss Stray loss Variable loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Hydrobola Parabola None of the listed here Straight line Hydrobola Parabola None of the listed here Straight line ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 4 6 8 2 4 6 8 2 ANSWER DOWNLOAD EXAMIANS APP
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