DC Generators In a commutator Mica is harder than copper Copper is harder than mica None of the listed here Mica and copper are equally hard Mica is harder than copper Copper is harder than mica None of the listed here Mica and copper are equally hard ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Constant loss None of the listed here Variable loss Stray loss Constant loss None of the listed here Variable loss Stray loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Series generator Compound generator Shunt generator Separately excited generator Series generator Compound generator Shunt generator Separately excited generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor To enhance flux density To reduce eddy current losses To amplify voltage To provide mechanical balance for the rotor ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Copper Silicon steel Nonferrous material Cast-iron Copper Silicon steel Nonferrous material Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is opposite to that of the main pole ahead ANSWER DOWNLOAD EXAMIANS APP
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