Engineering Materials The hardness of steel increases if it contains Austenite Martensite Cementite Pearlite Austenite Martensite Cementite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Malleable iron Wrought iron Pig iron Cast iron Malleable iron Wrought iron Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which change of allotropic form takes place At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which change of allotropic form takes place At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% Al2O3 Steel SiO2 MgO Al2O3 Steel SiO2 MgO ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In process annealing, the hypo eutectoid steel is Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated below or closes to the lower critical temperature and then cooled slowly Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air Heated below or closes to the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP