Engineering Materials The ability of a material to resist softening at high temperature is known as Hot tempering Fatigue Hot hardness Creep Hot tempering Fatigue Hot hardness Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Electroplating Cyaniding Nitriding Induction hardening Electroplating Cyaniding Nitriding Induction hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 65 RC 57 RC 48 RC 80 RC 65 RC 57 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Zinc Sulphur Tin Vanadium Zinc Sulphur Tin Vanadium 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, 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pig iron is the name given to Iron in molten form in the ladles Iron containing huge quantities of carbon Raw material for blast furnace Product of blast furnace made by reduction of iron ore Iron in molten form in the ladles Iron containing huge quantities of carbon Raw material for blast furnace Product of blast furnace made by reduction of iron ore ANSWER DOWNLOAD EXAMIANS APP
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