DC Generators The commutator of a dc generator acts as A rectifier An amplifier None of the listed here A load A rectifier An amplifier None of the listed here A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Silicon steel Cast steel Soft iron Aluminum Silicon steel Cast steel Soft iron Aluminum ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Small The same as rated voltage High Zero Small The same as rated voltage High Zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc machine, the number of commutator segment is equal to Twice the number of poles None of the listed here Number of coils Numbers of conductors Twice the number of poles None of the listed here Number of coils Numbers of conductors ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the critical resistance refers to the resistance of Field Load Brushes Armature Field Load Brushes Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Magnetic material of high permeability Lap winding Iron commutator High resistance winding material Magnetic material of high permeability Lap winding Iron commutator High resistance winding material ANSWER DOWNLOAD EXAMIANS APP