Engineering Materials The heat treatment process used for softening hardened steel is Normalizing Tempering Annealing Carburising Normalizing Tempering Annealing Carburising ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper 10% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper 10% aluminium and 90% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Grain refinement All of these Working at lower temperature Purification of metal Grain refinement All of these Working at lower temperature Purification of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Cast iron Mild steel Carbon-chrome steel Stainless steel Cast iron Mild steel Carbon-chrome steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypereutectic cast irons Hypoeutectic cast irons None of these Eutectic cast irons Hypereutectic cast irons Hypoeutectic cast irons None of these Eutectic cast irons 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, 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 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
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