Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Aluminium bronze Babbitt metal Gun metal Silicon bronze Aluminium bronze Babbitt metal Gun metal Silicon bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Strength and ductility Hardness Machinability Hardness and strength Strength and ductility Hardness Machinability Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 40 : 60 2.9375 2.1180555555556 30 : 70 40 : 60 2.9375 2.1180555555556 30 : 70 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 5 to 6% tin, 2 to 3% copper 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has All of these Low tensile strength High compressive strength Carbon in the form of carbide All of these Low tensile strength High compressive strength Carbon in the form of carbide ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Improve ductility Release stresses Improve toughness Improve machinability Improve ductility Release stresses Improve toughness ANSWER DOWNLOAD EXAMIANS APP
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