DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop Armature reaction Commutation Field weakening due to armature reaction and armature Armature resistance drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as More than None of the listed here Less than About the same as More than None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the generated voltage depend upon None of the listed here Speed only Flux only Both speed and flux None of the listed here Speed only Flux only Both speed and flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Speed too high No residual magnetism Open field Wrong direction of rotation Speed too high No residual magnetism Open field Wrong direction of rotation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Graphite brushes Metal graphite brushes None of these Carbon brushes Graphite brushes Metal graphite brushes None of these Carbon brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Both (A) and (B) None of these Electromagnets Permanent magnets Both (A) and (B) None of these Electromagnets Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
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