DC Generators Current versus time graph for an ideal commutation is a None of the listed here Straight line Hydrobola Parabola None of the listed here Straight line Hydrobola Parabola ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Constant loss Iron loss Stray loss Mechanical loss Constant loss Iron loss Stray loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator Contact resistance is decreased Carbon is cheap None of the listed here Carbon lubricates and polishes the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators, the brushes on commutator remain in contact with conductors which Lie under interpolar region Are farthest from the poles Lie under South Pole Lie under North Pole Lie under interpolar region Are farthest from the poles Lie under South Pole Lie under North Pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a wave winding, the commutator pitch is approximately equal to Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here Thrice the pole pitch Twice the pole pitch Pole pitch None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of poles Number of commutator segments Number of parallel paths Number of pole pairs Number of poles Number of commutator segments Number of parallel paths Number of pole pairs ANSWER DOWNLOAD EXAMIANS APP
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