Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Silicon Magnesium Lead and bismuth Copper Silicon Magnesium Lead and bismuth Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel-chrome steel Chrome steel Silicon steel Nickel steel Nickel-chrome steel Chrome steel Silicon steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Vanadium Molybdenum Cobalt Nickel Vanadium Molybdenum Cobalt Nickel 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 strength is the ability of a material to resist Fracture due to high impact loads None of these Deformation under stress Externally applied forces with breakdown or yielding Fracture due to high impact loads None of these Deformation under stress Externally applied forces with breakdown or yielding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 1% silver 2% silver No silver 5% silver 1% silver 2% silver No silver 5% silver ANSWER DOWNLOAD EXAMIANS APP