Engineering Materials Y-alloy contains 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 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The electric process of steel making is especially adapted to Alloy and carbon tool steel High speed tool steel Magnet steel All of these Alloy and carbon tool steel High speed tool steel Magnet steel All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Yield point Critical temperature Melting point Hardness Yield point Critical temperature Melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus Nickel Chromium Nickel and chromium Sulphur, lead and phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Copper Lead and bismuth Magnesium Silicon Copper Lead and bismuth Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
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