DC Generators Current versus time graph for an ideal commutation is a Straight line Parabola None of the listed here Hydrobola Straight line Parabola None of the listed here Hydrobola ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when There is no load on the generator The generator runs on designed speed The generator runs on full load The generator runs on overload There is no load on the generator The generator runs on designed speed The generator runs on full load The generator runs on overload ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Compensating winding Interpoles Dummy coils Shifting of axis of brushes Compensating winding Interpoles Dummy coils Shifting of axis of brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of poles Number of pole pairs Number of parallel paths Number of commutator segments Number of poles Number of pole pairs Number of parallel paths Number of commutator segments 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 increase the field resistance increase the speed of primemover reverse the field connections check armature insulation resistance increase the field resistance increase the speed of primemover reverse the field connections check armature insulation resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Shunt generator Flat compounded generator Series generator Over compounded generator Shunt generator Flat compounded generator Series generator Over compounded generator ANSWER DOWNLOAD EXAMIANS APP