Engineering Materials Delta iron occurs at temperature of Between 910°C and 1400°C Above melting point Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C Above melting point Room temperature Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 92.5% aluminium, 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 10% aluminium and 90% copper 92.5% aluminium, 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 10% aluminium and 90% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Internal stresses are relieved All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C Internal stresses are relieved All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Cementite Both A and B Free graphite None of these Cementite Both A and B Free graphite None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Permalloy is a Nickel and iron alloy having high permeability None ferrous alloy Polymer Kind of stainless steel Nickel and iron alloy having high permeability None ferrous alloy Polymer Kind of stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus Chromium Nickel Nickel and chromium Sulphur, lead and phosphorus ANSWER DOWNLOAD EXAMIANS APP