Engineering Materials A small percentage of boron is added to steel in order to Reduce machinability Increase endurance strength Increase hardenability Increase wear resistance Reduce machinability Increase endurance strength Increase hardenability Increase wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Permalloy is a Polymer Nickel and iron alloy having high permeability None ferrous alloy Kind of stainless steel Polymer Nickel and iron alloy having high permeability None ferrous alloy Kind of stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.00025 0.017 0.008 0.0026 0.00025 0.017 0.008 0.0026 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 The following element can't impart high strength at elevated temperature Manganese Nickel Silicon Magnesium Manganese Nickel Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 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 4 to 4.5% magnesium, 3 to 4% copper 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 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
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