Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 2.5 to 4.5% 0.5 to 1% 5 to 7% 0.012 2.5 to 4.5% 0.5 to 1% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High machinability All of these High tensile strength Low melting point High machinability All of these High tensile strength Low melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Chrome steel Nickel-chrome steel Silicon steel Nickel steel Chrome steel Nickel-chrome steel Silicon steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Mild steel belongs to the following category Low carbon steel Alloy steel Medium carbon steel High carbon steel Low carbon steel Alloy steel Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 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 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 ANSWER DOWNLOAD EXAMIANS APP