Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. None of these Equal to More than Less than None of these Equal to More than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Around 0°C Below 10°K Above 100°K Around 100°C Around 0°C Below 10°K Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 0.5% of phosphorous 1% phosphorous 2.5% phosphorous None of these 0.5% of phosphorous 1% phosphorous 2.5% phosphorous None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics Improving machinability Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Nickel Magnesium Chromium Copper Nickel Magnesium Chromium Copper ANSWER DOWNLOAD EXAMIANS APP