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 reverse the field connections check armature insulation resistance increase the speed of primemover increase the field resistance reverse the field connections check armature insulation resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any even number of conductors Any odd number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A load An amplifier None of the listed here A rectifier A load An amplifier None of the listed here A rectifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead Is the same as that of the immediately preceding pole Is the same as that of the main pole ahead Is neutral as these poles do not play part in generating e.m.f. Is opposite to that of the main pole ahead ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator segments are connected to the armature conductors by means of Copper lugs Brazing Resistance wires Insulation pads Copper lugs Brazing Resistance wires Insulation pads ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ None of the listed here Number of pairs of poles Numbers of poles in the machine 2 None of the listed here Number of pairs of poles Numbers of poles in the machine 2 ANSWER DOWNLOAD EXAMIANS APP