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 Dummy coils Compensating winding Interpoles Shifting of axis of brushes Dummy coils Compensating winding Interpoles Shifting of axis of brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Separately excited generator Compound generator Series generator Shunt generator Separately excited generator Compound generator Series generator Shunt generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Facilitate commutation Reduce losses Save iron Reduce armature reaction Facilitate commutation Reduce losses Save iron Reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Cast steel Soft iron Silocon steel Wrought iron Cast steel Soft iron Silocon steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 11.3% 9.1% 2.8% 4.5% 11.3% 9.1% 2.8% 4.5% ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the magnetic neutral axis coincides with the geometrical neutral axis, when The generator runs on designed speed The generator runs on full load There is no load on the generator The generator runs on overload The generator runs on designed speed The generator runs on full load There is no load on the generator The generator runs on overload ANSWER DOWNLOAD EXAMIANS APP
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