Engineering Materials Cementite consist of 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% carbon and 87% ferrite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% carbon and 87% ferrite 13% cementite and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability Low melting point All of these High tensile strength High machinability Low melting point All of these High tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Improve toughness Improve ductility Release stresses Improve machinability Improve toughness Improve ductility Release stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Recrystallization Allotropic change Precipitation Heat treatment Recrystallization Allotropic change Precipitation Heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Increase Remain same First increase and then decrease Decrease Increase Remain same First increase and then decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Cyaniding Electroplating Induction hardening Nitriding Cyaniding Electroplating Induction hardening Nitriding ANSWER DOWNLOAD EXAMIANS APP