DC Generators The critical resistance of the D.C. generator is the resistance of Armature Field Brushes Load Armature Field Brushes Load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator May be same or different Is different for different generators None of the listed here Is similar for all types of generators May be same or different Is different for different generators None of the listed here Is similar for all types of generators ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to double the constant loss Equal to half of constant loss None of the listed here Equal to Constant loss Equal to double the constant loss Equal to half of constant loss None of the listed here Equal to Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these Brush position has no effect on the commutator grooving The brushes of same polarity should track each other The brushes of opposite polarity should track each other All of these Brush position has no effect on the commutator grooving ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Mica Copper Carbon Cast iron Mica Copper Carbon Cast iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Frictional loss and copper loss Field copper loss and iron loss Copper and iron losses Iron and friction losses Frictional loss and copper loss Field copper loss and iron loss Copper and iron losses Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP