Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Spheroids Free carbon Flakes Cementite Spheroids Free carbon Flakes Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Sulphides Carbonates Oxides All of these Sulphides Carbonates Oxides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low hardness Low wear resistance Toughness Low tensile strength Low hardness Low wear resistance Toughness Low tensile strength ANSWER DOWNLOAD EXAMIANS APP
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