DC Generators The voltage drop for which of the following types of brush can be expected to be least? None of these Carbon brushes Graphite brushes Metal graphite brushes None of these Carbon brushes Graphite brushes Metal graphite brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is 4 2 6 8 4 2 6 8 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 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 increase the speed of primemover increase the field resistance ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Armature Field Load Brushes Armature Field Load Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Series combination of armature and series field Series field Armature Parallel combination of armature and series field Series combination of armature and series field Series field Armature Parallel combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
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