Engineering Materials The lower critical temperature Depends upon the rate of heating Decreases as the carbon content in steel increases Is same for all steels Increases as the carbon content in steel increases Depends upon the rate of heating Decreases as the carbon content in steel increases Is same for all steels Increases as the carbon content in steel increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Fixed structure at all temperatures Any one of the above Different crystal structures at different temperatures Atoms distributed in random pattern Fixed structure at all temperatures Any one of the above Different crystal structures at different temperatures Atoms distributed in random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Duralumin Silver Copper Brass Duralumin Silver Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 10% 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, 4% copper, 2% nickel, and 1.5% Mg 10% 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, 4% copper, 2% nickel, and 1.5% Mg ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.0026 0.008 0.00025 0.017 0.0026 0.008 0.00025 0.017 ANSWER DOWNLOAD EXAMIANS APP
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