Engineering Materials Nickel when added to copper improves Machinability Hardness Strength and ductility Hardness and strength Machinability Hardness Strength and ductility Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Nodular aggregates of graphite Free carbon Cementite Flakes Nodular aggregates of graphite Free carbon Cementite Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in 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 Improvement of corrosion resistance Improvement of casting characteristics Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Hardening surface of work-piece to obtain hard and wear resistant surface Heating and cooling rapidly Inducing hardness by continuous process Increasing hardness throughout Hardening surface of work-piece to obtain hard and wear resistant surface Heating and cooling rapidly Inducing hardness by continuous process Increasing hardness throughout ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Silicon, aluminium, titanium Chromium, nickel Vanadium, aluminium Sulphur, lead, phosphorous Silicon, aluminium, titanium Chromium, nickel Vanadium, aluminium Sulphur, lead, phosphorous ANSWER DOWNLOAD EXAMIANS APP