DC Generators Brushes of D.C. machines are made of Soft copper Carbon All of above Hard copper Soft copper Carbon All of above Hard copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica is harder than copper Mica and copper are equally hard None of the listed here Copper is harder than mica Mica is harder than copper Mica and copper are equally hard None of the listed here Copper is harder than mica ANSWER DOWNLOAD EXAMIANS APP
DC Generators The O. C. C. of a dc generator None of the listed here May be same or different Is similar for all types of generators Is different for different generators None of the listed here May be same or different Is similar for all types of generators Is different for different generators ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the constant losses is equal to None of the listed here Stray losses Mechanical losses Stray losses plus shunt cu loss None of the listed here Stray losses Mechanical losses Stray losses plus shunt cu loss 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 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 reverse the field connections increase the speed of primemover ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to Number of poles 2 Number of pairs of poles None of the listed here Number of poles 2 Number of pairs of poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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