Engineering Materials The lower critical temperature 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 Depends upon the rate of heating Decreases as the carbon content in steel increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Thermal properties in all directions Elastic properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions Thermal properties in all directions Elastic properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions 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 Admiralty gun metal contains 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Iron scrap and zinc 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Iron scrap and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage carbon content in wrought iron is about 0.4 0.02 2 0.1 0.4 0.02 2 0.1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Chromium Copper Silicon Nickel Chromium Copper Silicon ANSWER DOWNLOAD EXAMIANS APP