Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 72 37 36 74 72 37 36 74 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for collecting of voltage reduce eddy current loss convert ac armature current in to dc collecting of current without any sparkings collecting of voltage reduce eddy current loss convert ac armature current in to dc collecting of current without any sparkings 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? open type winding wave winding closed winding lap winding open type winding wave winding closed winding lap winding ANSWER DOWNLOAD EXAMIANS APP