Engineering Materials Which of the following pipes is least corrosion resistant? Cast iron Brass Mild steel Wrought iron Cast iron Brass Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin 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
Engineering Materials Corrosion resistance of steel is increased by adding Tungsten and sulphur Chromium and nickel Nickel and molybdenum Aluminium and zinc Tungsten and sulphur Chromium and nickel Nickel and molybdenum Aluminium and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Cementite Spheroids Free carbon Flakes Cementite Spheroids Free carbon Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has A low percentage of graphite A very high percentage of graphite Graphite as its basic constituent of composition No graphite A low percentage of graphite A very high percentage of graphite Graphite as its basic constituent of composition No graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite Both A and B None of these Cementite Free graphite Both A and B None of these Cementite ANSWER DOWNLOAD EXAMIANS APP
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