Engineering Materials Blast furnace produces following by reduction of iron ore Pig iron Malleable iron Wrought iron Cast iron Pig iron Malleable iron Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Cementite Flakes Spheroids Free carbon Cementite Flakes Spheroids Free carbon 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 Decrease Increase Remain same First increase and then decrease Decrease Increase Remain same First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has High compressive strength Carbon in the form of carbide Low tensile strength All of these High compressive strength Carbon in the form of carbide Low tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 65 RC 48 RC 57 RC 80 RC 65 RC 48 RC 57 ANSWER DOWNLOAD EXAMIANS APP