Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 10% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 10% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The following element can't impart high strength at elevated temperature Nickel Manganese Magnesium Silicon Nickel Manganese Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 913°C 700°C 723°C 600°C 913°C 700°C 723°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials High carbon steel carries carbon percentage 0.8 to 1.5% 0.1 to 0.3% 0.6 to 0.8% 0.3 to 0.6% 0.8 to 1.5% 0.1 to 0.3% 0.6 to 0.8% 0.3 to 0.6% ANSWER DOWNLOAD EXAMIANS APP
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