Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can cut another metal Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can be drawn into wires Can cut another metal Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can be drawn into wires ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Monel metal contains Alloy of tin, lead and cadmium Malleable iron and zinc 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium Malleable iron and zinc 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Y-alloy 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 Which of the following display properties similar to that of steel? None of these Whiteheart cast iron Both (A) and (B) Blackheart cast iron None of these Whiteheart cast iron Both (A) and (B) Blackheart cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Silicon Phosphorus Manganese Sulphur Silicon Phosphorus Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
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