DC Generators The field coil of dc generator are usually made of Copper Cast iron Carbon Mica Copper Cast iron Carbon Mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Magnetic material of high permeability Iron commutator Lap winding High resistance winding material Magnetic material of high permeability Iron commutator Lap winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their identical voltage characteristics drooping voltage characteristics rising voltage characteristics linear voltage characteristics identical voltage characteristics drooping voltage characteristics rising voltage characteristics linear voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to reverse the field connections increase the speed of primemover check armature insulation resistance increase the field resistance reverse the field connections increase the speed of primemover check armature insulation resistance increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz will be zero will be of v Hz 5 will be of 5 xiVHz will be of 5 Hz will be zero will be of v Hz 5 will be of 5 xiVHz ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Variable loss Stray loss Constant loss None of the listed here Variable loss Stray loss Constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP