DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Commutating poles Armature Field poles Yoke Commutating poles Armature Field poles Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is 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 Inversely proprtional to thickness of each lamination None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ None of the listed here 2 Number of pairs of poles Numbers of poles in the machine None of the listed here 2 Number of pairs of poles Numbers of poles in the machine ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Hydrobola Straight line None of the listed here Parabola Hydrobola Straight line None of the listed here Parabola ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature conductors of a 6 pole, lap wound dc generator are divided into 2 parallel paths 3 parallel paths 4 parallel paths 6 parallel paths 2 parallel paths 3 parallel paths 4 parallel paths 6 parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. series generators are running in parallel, an equalizer bar is used So that two similar machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. So that two similar machines will pass approximately equal currents to the load To increase the series flux To reduce the combined effect of armature reaction of both machines To increase the speed and hence generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP