DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine 1 None of the listed here Number of pairs of poles Numbers of poles in the machine 1 None of the listed here Number of pairs of poles 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 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 increase the speed of primemover ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc machine is laminated in order to reduce Eddy current loss Copper loss Hysteresis loss Frictional loss Eddy current loss Copper loss Hysteresis loss Frictional loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Copper Cast-iron Silicon steel Nonferrous material Copper Cast-iron Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination Inversely proprtional to thickness of each lamination None of the listed here Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a None of the listed here Stray loss Constant loss Variable loss None of the listed here Stray loss Constant loss Variable loss ANSWER DOWNLOAD EXAMIANS APP