DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Abrasion from dust All of these Rough commutator bars Excessive spring pressure Abrasion from dust All of these Rough commutator bars ANSWER DOWNLOAD EXAMIANS APP
DC Generators Dc machines which are subjected to abrupt changes of load are provided with Interpole windings Equalisers Copper brushes Compensating windings Interpole windings Equalisers Copper brushes Compensating windings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Cast steel Soft iron Silocon steel Wrought iron Cast steel Soft iron Silocon steel Wrought iron 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 Graphite brushes Carbon brushes Metal graphite brushes None of these Graphite brushes Carbon brushes Metal graphite brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators _____ together are called stray losses. Field copper loss and iron loss Iron and friction losses Copper and iron losses Frictional loss and copper loss Field copper loss and iron loss Iron and friction losses Copper and iron losses Frictional loss and copper loss 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 0.055 Ω 0.025 Ω 0.5 Ω 1 Ω 0.055 Ω 0.025 Ω 0.5 Ω 1 Ω ANSWER DOWNLOAD EXAMIANS APP
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