Engineering Materials The machinability of steel is improved by adding Nickel and chromium Nickel Sulphur, lead and phosphorus Chromium Nickel and chromium Nickel Sulphur, lead and phosphorus Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Make the steel ductile and of good bending qualities All of these Raise the yield point Make the steel tougher and harder Make the steel ductile and of good bending qualities All of these Raise the yield point Make the steel tougher and harder ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has Carbon in the form of carbide High compressive strength Low tensile strength All of these Carbon in the form of carbide High compressive strength Low tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The toughness of a material __________ when it is heated. Decreases Remain same Increases None of these Decreases Remain same Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Copper Brass Silver Duralumin Copper Brass Silver Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Y-alloy contains 5 to 6% tin, 2 to 3% copper and rest aluminium 4 to 4.5% magnesium, 3 to 4% 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 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 4 to 4.5% magnesium, 3 to 4% 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 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
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