DC Generators In a dc machine, the number of commutator segment is equal to None of the listed here Numbers of conductors Number of coils Twice the number of poles None of the listed here Numbers of conductors Number of coils Twice the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is Weakend only Distorted only Weakened as well as distorted None of the listed here Weakend only Distorted only Weakened as well as distorted None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature conductors of a 6 pole, lap wound dc generator are divided into 4 parallel paths 3 parallel paths 6 parallel paths 2 parallel paths 4 parallel paths 3 parallel paths 6 parallel paths 2 parallel paths ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Iron commutator Lap winding Magnetic material of high permeability High resistance winding material Iron commutator Lap winding Magnetic material of high permeability High resistance winding material ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Magnetic bearings Ball bearings Needle bearings Bush bearings Magnetic bearings Ball bearings Needle bearings Bush bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using conductor of annealed copper Using commutator with large number of segments Using carbon brushes of superior quality Using equalizer rings Using conductor of annealed copper Using commutator with large number of segments Using carbon brushes of superior quality Using equalizer rings ANSWER DOWNLOAD EXAMIANS APP
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