Engineering Materials Iron ore is usually found in the form of Oxides All of these Sulphides Carbonates Oxides All of these Sulphides Carbonates ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Reducing the ore with carbon in the presence of a flux All of these 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 Reducing the ore with carbon in the presence of a flux All of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. None of these Remain same Increases Decreases None of these Remain same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness Machinability Hardness and strength Strength and ductility Hardness Machinability Hardness and strength Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to heavy loads, is Silicon bronze Monel metal Phosphor bronze White metal Silicon bronze Monel metal Phosphor bronze White metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Sulphur, lead and phosphorus Nickel and chromium Nickel Chromium Sulphur, lead and phosphorus Nickel and chromium Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
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