DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to double the constant loss Equal to Constant loss Equal to half of constant loss None of the listed here Equal to double the constant loss Equal to Constant loss Equal to half of constant loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a long shunt compound wound generator , the shunt field is connected in parallel with Armature Series field Parallel combination of armature and series field Series combination of armature and series field Armature Series field Parallel combination of armature and series field Series combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Excessive spring pressure Abrasion from dust Rough commutator bars All of these Excessive spring pressure Abrasion from dust Rough commutator bars 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 1 Ω 0.055 Ω 0.5 Ω 0.025 Ω 1 Ω 0.055 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature conductors of a 6 pole, lap wound dc generator are divided into 4 parallel paths 6 parallel paths 2 parallel paths 3 parallel paths 4 parallel paths 6 parallel paths 2 parallel paths 3 parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field coil of dc generator are usually made of Carbon Copper Cast iron Mica Carbon Copper Cast iron Mica ANSWER DOWNLOAD EXAMIANS APP