DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Are farthest from the poles Lie under South Pole Lie under interpolar region Lie under North Pole Are farthest from the poles Lie under South Pole Lie under interpolar region Lie under North Pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to Number of pairs of poles Number of poles 2 None of the listed here Number of pairs of poles Number of poles 2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole , lap wound dc shunt generator has an armature winding consisting of 220 turns each of 0.004 Ω. The armature resistance is 0.5 Ω 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω 0.025 Ω 0.055 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 100 50 150 10 100 50 150 10 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these ANSWER DOWNLOAD EXAMIANS APP
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