Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Silicon Lead and bismuth Copper Magnesium Silicon Lead and bismuth Copper 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 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 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese 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 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Above 2.2% Below 0.5% Above 1% Below 1% Above 2.2% Below 0.5% Above 1% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon In which deformation tends to loosen the joint and produces a stress reduced In which parts are not loaded In which stress remains constant on increasing load Stress reduces on increasing load In which deformation tends to loosen the joint and produces a stress reduced In which parts are not loaded In which stress remains constant on increasing load Stress reduces on increasing load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 99% copper and 1% beryllium 80% copper and 20% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 99% copper and 1% beryllium ANSWER DOWNLOAD EXAMIANS APP
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