Engineering Materials Quenching is not necessary when hardening is done by Any one of these Case hardening Flame hardening Nitriding Any one of these Case hardening Flame hardening Nitriding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C Below recrystallization temperature 1050°C 770°C 910°C Below recrystallization temperature 1050°C 770°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pipes for bicycle frames are made of Cold rolled steel Forged steel Hot rolled steel Cast steel Cold rolled steel Forged steel Hot rolled steel Cast steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 10% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 10% aluminium and 90% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? All of these Cooling is done slowly and steadily Internal stresses are relieved Steels are heated to 500 to 700°C All of these Cooling is done slowly and steadily Internal stresses are relieved Steels are heated to 500 to 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Combined carbon in iron makes the metal Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP