Engineering Materials The lower critical temperature Increases as the carbon content in steel increases Is same for all steels Decreases as the carbon content in steel increases Depends upon the rate of heating Increases as the carbon content in steel increases Is same for all steels Decreases as the carbon content in steel increases Depends upon the rate of heating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Above 0.8% None of these Below 0.8% 0.008 Above 0.8% None of these Below 0.8% 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 90% magnesium and 9% aluminium with some copper 90% aluminium and 90% 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% magnesium and 9% aluminium with some copper 90% aluminium and 90% 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 Which of the following pipes is least corrosion resistant? Cast iron Wrought iron Mild steel Brass Cast iron Wrought iron Mild steel Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Silicon Lead and bismuth Copper Magnesium Silicon Lead and bismuth Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP