Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 770°C Below recrystallization temperature 1050°C 910°C 770°C Below recrystallization temperature 1050°C 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal shrinks most from molten state to solid state? Cast iron Cast steel Admiralty metal Brass Cast iron Cast steel Admiralty metal Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Ability of hold protective coating Uniform strength in all directions High ductility High resistance to rusting and corrosion Ability of hold protective coating Uniform strength in all directions High ductility High resistance to rusting and corrosion ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Steels are heated to 500 to 700°C All of these Internal stresses are relieved Cooling is done slowly and steadily Steels are heated to 500 to 700°C All of these Internal stresses are relieved Cooling is done slowly and steadily ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression Ability to recover its original form All of these Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression Ability to recover its original form All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Basic Brittle Neutral Acidic Basic Brittle Neutral Acidic ANSWER DOWNLOAD EXAMIANS APP