Engineering Materials The machinability of steel is increased by Sulphur, graphite and aluminium Phosphorous and aluminium Silicon and sulphur Phosphorous, lead and sulphur Sulphur, graphite and aluminium Phosphorous and aluminium Silicon and sulphur Phosphorous, lead and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is Stainless steel Heat resisting steel High speed steel Nickel steel Stainless steel Heat resisting steel High speed steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Percentage of alloying elements Shape of carbides and their distribution in iron Heat treatment employed Percentage of carbon Percentage of alloying elements Shape of carbides and their distribution in iron Heat treatment employed Percentage of carbon 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 Iron ore is usually found in the form of Sulphides Oxides Carbonates All of these Sulphides Oxides Carbonates All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Harden steel slightly Improve machining characteristic Relieve stresses Soften material Harden steel slightly Improve machining characteristic Relieve stresses Soften material ANSWER DOWNLOAD EXAMIANS APP
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