Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 RC 48 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Bessemer converter Open hearth furnace Blast furnace Cupola Bessemer converter Open hearth furnace Blast furnace Cupola ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Vanadium Nickel Chromium Manganese Vanadium Nickel Chromium Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Close packed hexagonal space lattice Body centered cubic space lattice None of these Face centered cubic space lattice Close packed hexagonal space lattice Body centered cubic space lattice None of these Face centered cubic space lattice ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Sulphur Tin Vanadium Zinc Sulphur Tin Vanadium Zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux All of these ANSWER DOWNLOAD EXAMIANS APP
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