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 0.025 Ω 1 Ω 0.5 Ω 0.055 Ω 0.025 Ω 1 Ω 0.5 Ω 0.055 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Case iron Carbon Silicon steel Stainless steel Case iron Carbon Silicon steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any even number of conductors Any odd number of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Cast steel Wrought iron Silocon steel Soft iron Cast steel Wrought iron Silocon steel Soft iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. 15 to 25% Less than 0.5 % 2% to 5% More than 20% 15 to 25% Less than 0.5 % 2% to 5% More than 20% 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 check armature insulation resistance 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 ANSWER DOWNLOAD EXAMIANS APP
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