Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1500 VPN 600 VPN 1000 to 1100 VPN 250 VPN 1500 VPN 600 VPN 1000 to 1100 VPN 250 VPN 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 50% or more iron 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 50% or more iron 80% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Percentage of carbon Shape of carbides and their distribution in iron Heat treatment employed Percentage of alloying elements Percentage of carbon Shape of carbides and their distribution in iron Heat treatment employed Percentage of alloying elements ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The heat treatment process used for softening hardened steel is Annealing Normalizing Tempering Carburising Annealing Normalizing Tempering Carburising ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Chromium and nickel Sulphur, phosphorus, lead Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Chromium and nickel Sulphur, phosphorus, lead Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous and aluminium Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur ANSWER DOWNLOAD EXAMIANS APP
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