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