Engineering Materials Drop forging dies contain carbon of the order of 0.6 to 0.7% 0.1 to 0.2% 0.25 to 0.5% 0.7 to 0.9% 0.6 to 0.7% 0.1 to 0.2% 0.25 to 0.5% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There is only one critical point There are two critical points There is no critical point There can be any number of critical points There is only one critical point There are two critical points There is no critical point There can be any number of critical points ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has High ductility Ability of hold protective coating High resistance to rusting and corrosion Uniform strength in all directions High ductility Ability of hold protective coating High resistance to rusting and corrosion Uniform strength in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Carburised structure Lamellar layers of carbide distributed throughout the structure Formation of bainite structure Martenistic structure Carburised structure Lamellar layers of carbide distributed throughout the structure Formation of bainite structure Martenistic structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
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