Engineering Materials Points of arrest for iron correspond to There is nothing like points of arrest Stages at which allotropic forms change Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which allotropic forms change Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Lead Mica Glass Silver Lead Mica Glass Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Depth of hardness of steel is increased by addition of Nickel Vanadium Tungsten Chromium Nickel Vanadium Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 75% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability 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
EXAMIANS