DC Generators The current in armature conductors of a dc machine is ______ Ac Pure dc Pure dc plus pulsating dc Pulsating dc Ac Pure dc Pure dc plus pulsating dc Pulsating dc ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Speed of armature Voltage Type of winding Amount of current to be collected Speed of armature Voltage Type of winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Number of pairs of poles Numbers of poles in the machine None of the listed here 1 Number of pairs of poles Numbers of poles in the machine None of the listed here 1 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The effect of armature reaction is to 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 Decrease the total flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Parabola Straight line None of the listed here Hydrobola Parabola Straight line None of the listed here Hydrobola ANSWER DOWNLOAD EXAMIANS APP
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