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 Indicated by a spark completely around the commutator None of these Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected Indicated by a spark completely around the commutator None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Has all above features Is more stable Is amenable to better voltage control Has exciting current independent of load current Has all above features Is more stable Is amenable to better voltage control Has exciting current independent of load current ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of motion of conductor, if forefinger points along the lines of flux Direction of induced e.m.f. Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of motion of conductor, if forefinger points along the lines of flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of parallel paths in a simplex lap winding is equal to 2 Number of poles None of the listed here Number of pairs of poles 2 Number of poles None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars ANSWER DOWNLOAD EXAMIANS APP
DC Generators An exciter for a turbo generator is a Separately excited generator Series generator Compound generator Shunt generator Separately excited generator Series generator Compound generator Shunt generator ANSWER DOWNLOAD EXAMIANS APP
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