DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce losses Reduce armature reaction Save iron Facilitate commutation Reduce losses Reduce armature reaction Save iron Facilitate commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Mica Carbon Copper Cast iron Mica Carbon Copper Cast iron 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 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω 0.025 Ω 0.055 Ω 1 Ω 0.5 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by Commutator pitch Back pitch Front pitch None of the listed here Commutator pitch Back pitch Front pitch None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Shunt field copper loss and mechanical loss Armature copper loss and iron loss Total copper loss and mechanical loss Iron loss and mechanical loss Shunt field copper loss and mechanical loss Armature copper loss and iron loss Total copper loss and mechanical loss Iron loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? None of these Carbon brushes Metal graphite brushes Graphite brushes None of these Carbon brushes Metal graphite brushes Graphite brushes ANSWER DOWNLOAD EXAMIANS APP
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