DC Generators _____ together are called stray losses. Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss Iron and friction losses Copper and iron losses Field copper loss and iron loss Frictional loss and copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be High The same as rated voltage Small Zero High The same as rated voltage Small Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Stray loss Constant loss Variable loss None of the listed here Stray loss Constant loss Variable loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Shifting of axis of brushes Interpoles Compensating winding Dummy coils Shifting of axis of brushes Interpoles Compensating winding Dummy coils ANSWER DOWNLOAD EXAMIANS APP
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