Engineering Materials Which is false statement about case hardening? Case hardening is done by Nitriding Induction hardening Cyaniding Electroplating Nitriding Induction hardening Cyaniding Electroplating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Cementite Both A and B Free graphite None of these Cementite Both A and B Free graphite None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 65 RC 48 RC 80 RC 57 RC 65 RC 48 RC 80 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Tensile strength Fluidity Hardness Ductility Tensile strength Fluidity Hardness Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Any one of these Change grain size Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Any one of these Change grain size Relieve the stresses set up in the material after hot or cold working Modify the structure of the material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Chromium Copper Nickel Silicon Chromium Copper Nickel Silicon ANSWER DOWNLOAD EXAMIANS APP