Engineering Materials Steel made from phosphate iron is Brittle Hard Ductile Tough Brittle Hard Ductile Tough ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Fixed structure at all temperatures Atoms distributed in random pattern Any one of the above Different crystal structures at different temperatures Fixed structure at all temperatures Atoms distributed in random pattern Any one of the above Different crystal structures at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 6.3% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 6.3% Adding carbon up to 0.83% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature There is nothing like points of arrest Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time Stages at which properties do not change with increase in temperature There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Body centered cubic space lattice is found in Gamma iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Alpha iron, tungsten, chromium and molybdenum Gamma iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Alpha iron, tungsten, chromium and molybdenum ANSWER DOWNLOAD EXAMIANS APP
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