Engineering Materials The steel widely used for motor car crankshafts is Silicon steel Chrome steel Nickel steel Nickel-chrome steel Silicon steel Chrome steel Nickel steel Nickel-chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials High carbon steel carries carbon percentage 0.6 to 0.8% 0.3 to 0.6% 0.8 to 1.5% 0.1 to 0.3% 0.6 to 0.8% 0.3 to 0.6% 0.8 to 1.5% 0.1 to 0.3% 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 Age hardening is related to Silver Brass Copper Duralumin Silver Brass Copper Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It brittle The casting unsound It easily machinable It hard It brittle The casting unsound It easily machinable It hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Zinc Vanadium Sulphur Tin Zinc Vanadium Sulphur Tin ANSWER DOWNLOAD EXAMIANS APP
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