DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency Less than electrical efficiency None of the listed here Equal to electrical efficiency More than electrical efficiency Less than electrical efficiency None of the listed here Equal to electrical efficiency ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Reduce eddy current loss Insulate the core Provide the bulk Reduce the bulk Reduce eddy current loss Insulate the core Provide the bulk Reduce the bulk ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature core of a D.C. generator is usually made of Copper Nonferrous material Silicon steel Cast-iron Copper Nonferrous material Silicon steel Cast-iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Lap winding is composed of Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles + 2 That even number which is exact multiple of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 6 pole lap wound generator has 300 conductors, the emf induced per conductor being 5 V. The generated voltage of the generator is _____ 60 V 360 V 250 V 1500 V 60 V 360 V 250 V 1500 V ANSWER DOWNLOAD EXAMIANS APP
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