Engineering Materials Taps dies and drills contain carbon Above 2.2% Below 1% Above 1% Below 0.5% Above 2.2% Below 1% Above 1% Below 0.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has High resistance to rusting and corrosion Uniform strength in all directions Ability of hold protective coating High ductility High resistance to rusting and corrosion Uniform strength in all directions Ability of hold protective coating High ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Ductility Fluidity Tensile strength Hardness Ductility Fluidity Tensile strength Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 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 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 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 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 The hardness is the property of a material due to which it Can be drawn into wires Can cut another metal Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can be drawn into wires Can cut another metal Breaks with little permanent distortion Can be rolled or hammered into thin sheets ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Manganese Silicon Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS