DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any odd number of conductors Any even number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the generated e.m.f. To increase the series flux To reduce the combined effect of armature reaction of both the machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ Numbers of poles in the machine 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the commutating self induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under South Pole Lie under North Pole Are farthest from the poles Lie under interpolar region Lie under South Pole Lie under North Pole Are farthest from the poles Lie under interpolar region ANSWER DOWNLOAD EXAMIANS APP
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