DC Generators In a dc generator, armature reaction _____ pole tip. None of the listed here Weaknes the flux at the leading Weaknes the flux at the trailing Strengthns the flux at the leading None of the listed here Weaknes the flux at the leading Weaknes the flux at the trailing Strengthns the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest percentage of heat loss in a dc machine is due to ______ Eddy current loss Hysteresis loss Frictional loss Copper loss Eddy current loss Hysteresis loss Frictional loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ 2 None of the listed here Number of pairs of poles Numbers of poles in the machine 2 None of the listed here Number of pairs of poles Numbers of poles in the machine ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper Using equalizer rings Using commutator with large number of segments Using carbon brushes of superior quality Using conductor of annealed copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a commutator Mica and copper are equally hard None of the listed here Copper is harder than mica Mica is harder than copper Mica and copper are equally hard None of the listed here Copper is harder than mica Mica is harder than copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Wrought iron Soft iron Silocon steel Cast steel Wrought iron Soft iron Silocon steel Cast steel ANSWER DOWNLOAD EXAMIANS APP
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