DC Generators The armature of dc generator is laminated to Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators To avoid formation of grooves in the commutator of a D.C. machine The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of same polarity should track each other The brushes of opposite polarity should track each other Brush position has no effect on the commutator grooving All of these The brushes of same polarity should track each other ANSWER DOWNLOAD EXAMIANS APP
DC Generators Stray losses consist of Magnetic and copper losses None of the listed here Magnetic and mechanical losses Mechanical and copper losses Magnetic and copper losses None of the listed here Magnetic and mechanical losses Mechanical and copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ 2 Number of pairs of poles Numbers of poles in the machine None of the listed here 2 Number of pairs of poles Numbers of poles in the machine None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is 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 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine 1 None of the listed here Number of pairs of poles Numbers of poles in the machine 1 None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS