Engineering Materials Nickel when added to copper improves Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 78% copper and rest tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same Increase First increase and then decrease Decrease Remain same Increase First increase and then decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% MgO Al2O3 SiO2 Steel MgO Al2O3 SiO2 Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by adding Chromium and nickel Tungsten and sulphur Aluminium and zinc Nickel and molybdenum Chromium and nickel Tungsten and sulphur Aluminium and zinc Nickel and molybdenum 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
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