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
Engineering Materials Steel contains 50% or more iron Alloying elements like chromium, tungsten nickel and copper 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron Alloying elements like chromium, tungsten nickel and copper 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cupola produces following material Malleable iron Wrought iron Pig iron Cast iron Malleable iron Wrought iron Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 0.5 to 1% 2.5 to 4.5% 0.012 5 to 7% 0.5 to 1% 2.5 to 4.5% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist Deformation under stress Externally applied forces with breakdown or yielding None of these Fracture due to high impact loads Deformation under stress Externally applied forces with breakdown or yielding None of these Fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of Below 723°C 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
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