DC Generators High voltage dc machine use _____ winding. Lap Either lap or wave Wave None of the listed here Lap Either lap or wave Wave None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Reduce losses Save iron Facilitate commutation Reduce armature reaction Reduce losses Save iron Facilitate commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Excessive spring pressure All of these Rough commutator bars Abrasion from dust Excessive spring pressure All of these Rough commutator bars Abrasion from dust 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 0.5 Ω 1 Ω 0.025 Ω 0.055 Ω 0.5 Ω 1 Ω 0.025 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Armature Series combination of armature and series field Parallel combination of armature and series field Series field Armature Series combination of armature and series field Parallel combination of armature and series field Series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Open field Speed too high No residual magnetism Wrong direction of rotation Open field Speed too high No residual magnetism Wrong direction of rotation ANSWER DOWNLOAD EXAMIANS APP
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