DC Generators In a practical dc generator, mechanical efficiency is 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 More than electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators D.C. generator generally preferred for charging automobile batteries is Long shunt compound generator Shunt generator Any of the above Series generator Long shunt compound generator Shunt generator Any of the above Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators the polarity of the interpoles Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is the same as that of the immediately preceding pole Is neutral as these poles do not play part in generating e.m.f. Is the same as that of the main pole ahead Is opposite to that of the main pole ahead Is the same as that of the immediately preceding pole Is neutral as these poles do not play part in generating e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here Carbon is cheap Contact resistance is decreased Carbon lubricates and polishes the commutator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to 1 Numbers of poles in the machine None of the listed here Number of pairs of poles 1 Numbers of poles in the machine None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of Any odd number of conductors That even number which is exact multiple of poles Any even number of conductors That even number which is exact multiple of poles + 2 Any odd number of conductors That even number which is exact multiple of poles Any even number of conductors That even number which is exact multiple of poles + 2 ANSWER DOWNLOAD EXAMIANS APP
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