Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as None of these Hypoeutectic cast irons Eutectic cast irons Hypereutectic cast irons None of these Hypoeutectic cast irons Eutectic cast irons Hypereutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High tensile strength All of these High machinability Low melting point High tensile strength All of these High machinability Low melting point 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 First increase and then decrease Remain same Increase Decrease First increase and then decrease Remain same Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Mild steel Aluminium Copper Nickel Mild steel Aluminium Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum None of these Perpendicular to lines of slag distribution Uniform in all directions Along the lines of slag distribution None of these Perpendicular to lines of slag distribution Uniform in all directions Along the lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which change of allotropic form takes place At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals grow bigger in size At which crystals first start forming from molten metal when it is cooled At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated ANSWER DOWNLOAD EXAMIANS APP