Engineering Materials When low carbon steel is heated up to upper critical temperature The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? All of these Steels are heated to 500 to 700°C Internal stresses are relieved Cooling is done slowly and steadily All of these Steels are heated to 500 to 700°C Internal stresses are relieved Cooling is done slowly and steadily ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value Less than 7 Equal to 7 pH value has nothing to do with neutral solution Greater than 7 Less than 7 Equal to 7 pH value has nothing to do with neutral solution Greater than 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Solder is an alloy consisting of Tin and lead Tin, antimony, copper Lead and zinc Tin and copper Tin and lead Tin, antimony, copper Lead and zinc Tin and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Stainless steel Carbon-chrome steel Cast iron Mild steel Stainless steel Carbon-chrome steel Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Vanadium Manganese Nickel Chromium Vanadium Manganese Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP