Engineering Materials Which is false statement about case hardening? Case hardening is done by Induction hardening Electroplating Nitriding Cyaniding Induction hardening Electroplating Nitriding Cyaniding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is Below recrystallization temperature 910°C 770°C 1050°C Below recrystallization temperature 910°C 770°C 1050°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Increasing hardness throughout Heating and cooling rapidly Inducing hardness by continuous process Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Heating and cooling rapidly Inducing hardness by continuous process Hardening surface of work-piece to obtain hard and wear resistant surface ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Relieve the stresses set up in the material after hot or cold working Change grain size Modify the structure of the material Any one of these Relieve the stresses set up in the material after hot or cold working Change grain size Modify the structure of the material Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond None of these Metallic bond Ionic bond Covalent bond None of these Metallic bond Ionic bond ANSWER DOWNLOAD EXAMIANS APP
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