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 Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Open field Wrong direction of rotation Speed too high No residual magnetism Open field Wrong direction of rotation Speed too high No residual magnetism ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Commutation Field weakening due to armature reaction and armature Armature reaction Armature resistance drop Commutation Field weakening due to armature reaction and armature Armature reaction Armature resistance drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Amount of current to be collected Type of winding Speed of armature Voltage Amount of current to be collected Type of winding Speed of armature Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Iron loss Mechanical loss Constant loss Stray loss Iron loss Mechanical loss Constant loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the generated voltage depend upon Speed only None of the listed here Flux only Both speed and flux Speed only None of the listed here Flux only Both speed and flux ANSWER DOWNLOAD EXAMIANS APP
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