Engineering Materials Y-alloy 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Ductile material Brittle material Malleable material Tough material Ductile material Brittle material Malleable material Tough material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Wear resistance is very good Fatigue strength is not high Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Wear resistance is very good Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Contain carbon in free from Is used where rapid machining is the prime requirement Can be cut freely Require minimum cutting force Contain carbon in free from Is used where rapid machining is the prime requirement Can be cut freely Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Machinability Hardness and strength Strength and ductility Hardness Machinability Hardness and strength Strength and ductility Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Magnalium Hindalium Duralumin Y-alloy Magnalium Hindalium Duralumin Y-alloy ANSWER DOWNLOAD EXAMIANS APP