DC Generators In dc generator, the constant losses is equal to Stray losses Mechanical losses None of the listed here Stray losses plus shunt cu loss Stray losses Mechanical losses None of the listed here Stray losses plus shunt cu loss 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 greatest eddy current loss occurs in the _____ of a dc machine. Field poles Commutating poles Armature Yoke Field poles Commutating poles Armature Yoke ANSWER DOWNLOAD EXAMIANS APP
DC Generators Brushes of D.C. machines are made of Hard copper All of above Soft copper Carbon Hard copper All of above Soft copper Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 25 percent 5 percent 10 percent 40 percent 25 percent 5 percent 10 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Save iron Facilitate commutation Reduce armature reaction Reduce losses Save iron Facilitate commutation Reduce armature reaction Reduce losses ANSWER DOWNLOAD EXAMIANS APP
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