Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Yield point Critical temperature Melting point Hardness Yield point Critical temperature Melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Full annealing Hardening and cold working Normalizing Martempering Full annealing Hardening and cold working Normalizing Martempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in low carbon steel is 0.05% 0.5% 0.3% 0.15% 0.05% 0.5% 0.3% 0.15% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is An alloy of iron and carbon with varying quantities of phosphorus and sulphur Refined from cast iron Extensively used for making cutting tools Made by adding carbon in steel An alloy of iron and carbon with varying quantities of phosphorus and sulphur Refined from cast iron Extensively used for making cutting tools Made by adding carbon in steel ANSWER DOWNLOAD EXAMIANS APP