Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 74 37 36 72 74 37 36 72 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for collecting of current without any sparkings convert ac armature current in to dc reduce eddy current loss collecting of voltage collecting of current without any sparkings convert ac armature current in to dc reduce eddy current loss collecting of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following type of brush and their application is/are correct copper graphite → low voltage high current density carbon brush → normal ratings All of these electro graphite → large ratings copper graphite → low voltage high current density carbon brush → normal ratings All of these electro graphite → large ratings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following bearings and their uses are correct both A and B neither 1 nor 2 ball bearings → small machines roller bearings → large machines both A and B neither 1 nor 2 ball bearings → small machines roller bearings → large machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? lap winding closed winding wave winding open type winding lap winding closed winding wave winding open type winding ANSWER DOWNLOAD EXAMIANS APP
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