DC Generators To avoid formation of grooves in the commutator of a D.C. machine All of these The brushes of same polarity should track each other The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of same polarity should track each other The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following components of a D.C, generator plays vital role for providing direct current of a D.C. generator? Commutator Equalizer rings Dummy coils Eye bolt Commutator Equalizer rings Dummy coils Eye bolt ANSWER DOWNLOAD EXAMIANS APP
DC Generators The current in armature conductors of a dc machine is ______ Pulsating dc Pure dc Pure dc plus pulsating dc Ac Pulsating dc Pure dc Pure dc plus pulsating dc Ac ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator means its Mechanical efficiency Electrical efficiency None of the listed here Overall efficiency Mechanical efficiency Electrical efficiency None of the listed here Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators A triplex wave winding will have parallel paths. 4 None of the listed here 2 6 4 None of the listed here 2 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Metal graphite brushes Graphite brushes None of these Carbon brushes Metal graphite brushes Graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
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