DC Generators In a dc machine, the number of commutator segment is equal to Number of coils None of the listed here Numbers of conductors Twice the number of poles Number of coils None of the listed here Numbers of conductors Twice the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Graphite brushes None of these Carbon brushes Metal graphite brushes Graphite brushes None of these Carbon brushes Metal graphite brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as None of the listed here An amplifier A rectifier A load None of the listed here An amplifier A rectifier A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators Shunt generators are most suited for stable parallel operation because of their rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics rising voltage characteristics drooping voltage characteristics linear voltage characteristics identical voltage characteristics 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 If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance ANSWER DOWNLOAD EXAMIANS APP
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