DC Generators The critical resistance of the D.C. generator is the resistance of Brushes Armature Load Field Brushes Armature Load Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators ______ dc machine are most common. 2 pole 8 pole 4 pole 6 pole 2 pole 8 pole 4 pole 6 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators The current in armature conductors of a dc machine is ______ Pure dc Pure dc plus pulsating dc Ac Pulsating dc Pure dc Pure dc plus pulsating dc Ac Pulsating dc ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Hard copper Soft copper All of above Carbon Hard copper Soft copper All of above Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Be doubled Be halved Be quadrupled Remain the same Be doubled Be halved Be quadrupled Remain the same ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Metal graphite brushes None of these Graphite brushes Carbon brushes Metal graphite brushes None of these Graphite brushes Carbon brushes ANSWER DOWNLOAD EXAMIANS APP
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