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 speed of primemover increase the field resistance check armature insulation resistance reverse the field connections increase the speed of primemover increase the field resistance check armature insulation resistance reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica and copper are equally hard None of the listed here Mica is harder than copper Copper is harder than mica Mica and copper are equally hard None of the listed here Mica is harder than copper Copper is harder than mica 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 There is no load on the generator The generator runs on overload The generator runs on full load The generator runs on designed speed There is no load on the generator The generator runs on overload The generator runs on full load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. Less than 0.5 % 2% to 5% More than 20% 15 to 25% Less than 0.5 % 2% to 5% More than 20% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Series generator Any of the above Shunt generator Long shunt compound generator Series generator Any of the above Shunt generator Long shunt compound generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Eddy current loss Frictional loss Copper loss Hysteresis loss Eddy current loss Frictional loss Copper loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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