Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Silicon Manganese Sulphur Phosphorus Silicon Manganese Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Ductility Hardness Fluidity Tensile strength Ductility Hardness Fluidity Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C Above melting point Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C Above melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Cementite Graphite Free carbon White carbon Cementite Graphite Free carbon White carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Y-alloy 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 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 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, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese 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 5 to 6% tin, 2 to 3% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness Strength and ductility Hardness and strength Machinability Hardness Strength and ductility Hardness and strength Machinability ANSWER DOWNLOAD EXAMIANS APP
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