Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 0.012 2.5 to 4.5% 5 to 7% 0.5 to 1% 0.012 2.5 to 4.5% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Manganese Chromium Nickel Vanadium Manganese Chromium Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant? Bessemer process LD process Open hearth process Electric process Bessemer process LD process Open hearth process Electric process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Inducing hardness by continuous process Heating and cooling rapidly Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Inducing hardness by continuous process Heating and cooling rapidly Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about normalizing? Normalizing is done to Reduce segregation in casting Improve mechanical properties Refine grain structure Induce stresses Reduce segregation in casting Improve mechanical properties Refine grain structure Induce stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 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 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 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 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
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