Engineering Materials Which of the following elements does not impart hardness to steel? Copper Nickel Silicon Chromium Copper Nickel Silicon Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Grain refinement All of these Working at lower temperature Purification of metal Grain refinement All of these Working at lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Chromium and nickel Tungsten, molybdenum, vanadium, chromium Vanadium, aluminium Sulphur, phosphorus, lead Chromium and nickel Tungsten, molybdenum, vanadium, chromium Vanadium, aluminium Sulphur, phosphorus, lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Yield point Critical temperature Hardness Melting point Yield point Critical temperature Hardness Melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Copper Duralumin Brass Silver Copper Duralumin Brass Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.25 to 0.5% 0.6 to 0.7% 0.1 to 0.2% 0.7 to 0.9% 0.25 to 0.5% 0.6 to 0.7% 0.1 to 0.2% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP
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