DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Iron commutator Lap winding Magnetic material of high permeability High resistance winding material Iron commutator Lap winding Magnetic material of high permeability ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of dc generator is laminated to Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core Provide the bulk Reduce eddy current loss Reduce the bulk Insulate the core ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a lap winding, the number of the brushes required is equal to Number of poles 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Graphite Paper Mica Insulating varnish Graphite Paper Mica Insulating varnish ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 10 V 20 V 2 V 0.1 V 10 V 20 V 2 V 0.1 V ANSWER DOWNLOAD EXAMIANS APP