DC Generators Open circuited armature coil of a D.C. machine is Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected None of these Indicated by a spark completely around the commutator Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected None of these Indicated by a spark completely around the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these Neutralize the armature reaction flux Neutralize the commutating self induced e.m.f. Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to Number of pairs of poles None of the listed here Commutator pitch Number of poles Number of pairs of poles None of the listed here Commutator pitch Number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Yoke Field poles Commutating poles Armature Yoke Field poles Commutating poles Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Series generator Separately excited generator Shunt generator Compound generator Series generator Separately excited generator Shunt generator Compound generator ANSWER DOWNLOAD EXAMIANS APP