Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Copper Silicon Magnesium Lead and bismuth Copper Silicon Magnesium Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage carbon content in wrought iron is about 2 0.4 0.02 0.1 2 0.4 0.02 0.1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties 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
Engineering Materials Dow metal contains 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Oxides Carbonates Sulphides All of these Oxides Carbonates Sulphides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Elinvar Nichrome Invar Magnin Elinvar Nichrome Invar Magnin ANSWER DOWNLOAD EXAMIANS APP
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