DC Generators With a D.C. generator which of the following regulation is preferred? 50% regulation 100% regulation 1% regulation Infinite regulation 50% regulation 100% regulation 1% regulation Infinite regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure ANSWER DOWNLOAD EXAMIANS APP
DC Generators Small dc machines generally have _____ poles. 4 2 8 6 4 2 8 6 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 1 Ω 0.025 Ω 0.055 Ω 0.5 Ω 1 Ω 0.025 Ω 0.055 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the critical resistance refers to the resistance of Field Load Brushes Armature Field Load Brushes Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Remain the same Be quadrupled Be halved Be doubled Remain the same Be quadrupled Be halved Be doubled ANSWER DOWNLOAD EXAMIANS APP