DC Generators In a lap winding, the number of the brushes required is equal to None of the listed here Number of poles Number of pairs of poles Commutator pitch None of the listed here Number of poles Number of pairs of poles Commutator pitch 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 increase the speed of primemover increase the field resistance reverse the field connections check armature insulation resistance increase the speed of primemover increase the field resistance reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Carbon Stainless steel Silicon steel Case iron Carbon Stainless steel Silicon steel Case iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Hard copper Carbon Soft copper All of above Hard copper Carbon Soft copper All of above ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency None of the listed here Equal to electrical efficiency Less than electrical efficiency More than electrical efficiency None of the listed here Equal to electrical efficiency Less than electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors ANSWER DOWNLOAD EXAMIANS APP
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