Engineering Materials Vanadium in high speed steels Promotes retention of austenite Promotes decarburisation Forms very hard carbides and thus increases wear resistance Provides high hot hardness Promotes retention of austenite Promotes decarburisation Forms very hard carbides and thus increases wear resistance Provides high hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Copper Brass Duralumin Silver Copper Brass Duralumin Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability All of these High tensile strength Low melting point High machinability All of these High tensile strength Low melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Hot tempering Fatigue Creep Hot hardness Hot tempering Fatigue Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Free carbon Cementite Flakes Spheroids Free carbon Cementite Flakes Spheroids ANSWER DOWNLOAD EXAMIANS APP
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