Engineering Materials Maximum percentage of carbon in ferrite is 0.0025 0.00025 0.001 0.0006 0.0025 0.00025 0.001 0.0006 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low tensile strength Low wear resistance Low hardness Toughness Low tensile strength Low wear resistance Low hardness Toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 80% or more iron Alloying elements like chromium, tungsten nickel and copper 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron Alloying elements like chromium, tungsten nickel and copper 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Carburised structure Lamellar layers of carbide distributed throughout the structure Martenistic structure Formation of bainite structure Carburised structure Lamellar layers of carbide distributed throughout the structure Martenistic structure Formation of bainite structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness and strength Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP