Engineering Materials The addition of which of the following improves machining of copper? Sulphur Tin Zinc Vanadium Sulphur Tin Zinc Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cupola produces following material Cast iron Malleable iron Pig iron Wrought iron Cast iron Malleable iron Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Decreases Does not effect None of these Increases Decreases Does not effect None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Y-alloy Hindalium Duralumin Magnalium Y-alloy Hindalium Duralumin Magnalium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Copper Silicon Chromium Nickel Copper Silicon Chromium ANSWER DOWNLOAD EXAMIANS APP
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