Engineering Materials Which of the following statements are true for annealing of steels? All of these Internal stresses are relieved Steels are heated to 500 to 700°C Cooling is done slowly and steadily All of these Internal stresses are relieved Steels are heated to 500 to 700°C Cooling is done slowly and steadily ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains Vanadium 18%, chromium 1% and tungsten 4% None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 4%, chromium 18% and tungsten 1% Vanadium 18%, chromium 1% and tungsten 4% None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 4%, chromium 18% and tungsten 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Improve machining characteristic Relieve stresses Harden steel slightly Soften material Improve machining characteristic Relieve stresses Harden steel slightly Soften material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 1% phosphorous None of these 2.5% phosphorous 0.5% of phosphorous 1% phosphorous None of these 2.5% phosphorous 0.5% of phosphorous ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease Remain same Increase First increase and then decrease Decrease Remain same Increase First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Chromium, titanium, vanadium Tungsten, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten Chromium, titanium, vanadium Tungsten, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS