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 Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 50 : 20 : 20 : 10 50 : 20 : 10 : 20 40 : 30 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 20 : 10 50 : 20 : 10 : 20 40 : 30 : 20 : 10 30 : 20 : 30 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Molybdenum Cobalt Nickel Vanadium Molybdenum Cobalt Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel 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 Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low wear resistance Low tensile strength Low hardness Toughness Low wear resistance Low tensile strength Low hardness Toughness ANSWER DOWNLOAD EXAMIANS APP
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
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