Engineering Materials Induction hardening is the process of Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Inducing hardness by continuous process Heating and cooling rapidly Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Inducing hardness by continuous process Heating and cooling rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Copper Lead and bismuth Silicon Magnesium Copper Lead and bismuth Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The crystal structure of brass is F.C.C. C.C. H.C.P. Orthorhombic crystalline structure F.C.C. C.C. H.C.P. Orthorhombic crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron 50% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Increase wear resistance Increase hardenability Reduce machinability Increase endurance strength Increase wear resistance Increase hardenability Reduce machinability ANSWER DOWNLOAD EXAMIANS APP
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