DC Generators A separately excited generator as compared to a self-excited generator Is amenable to better voltage control Has exciting current independent of load current Is more stable Has all above features Is amenable to better voltage control Has exciting current independent of load current Is more stable Has all above features 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 Wrong direction of rotation Open field No residual magnetism Speed too high Wrong direction of rotation Open field No residual magnetism 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
DC Generators In a D.C. generator Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop Magnetization characteristic = external characteristic External characteristic = magnetization characteristic ohmic drop armature reaction External resistance = internal characteristic armature reaction Internal characteristic = magnetization characteristic ohmic drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Pulsating Flat topped Triangular Sinusoidal Pulsating Flat topped Triangular Sinusoidal ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Constant loss Iron loss Stray loss Mechanical loss Constant loss Iron loss Stray loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
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