Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Silicon Copper Magnesium Lead and bismuth Silicon Copper Magnesium Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 723°C 1493°C 600°C 1147°C 723°C 1493°C 600°C 1147°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Brass Wrought iron Cast iron Mild steel Brass Wrought iron Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dislocations in materials refer to the following type of defect Line defect Volumetric defect Point defect Plane defect Line defect Volumetric defect Point defect Plane defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.55 to 1.0% 0.05 to 0.20% 0.45 to 0.55% 0.20 to 0.45% 0.55 to 1.0% 0.05 to 0.20% 0.45 to 0.55% 0.20 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
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