Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Chromium Nickel Manganese Vanadium Chromium Nickel Manganese Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness Hardness and strength Machinability Strength and ductility Hardness Hardness and strength Machinability Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 1015 35 57 710 1015 35 57 710 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 400° to 700°C 1200°C to 1300°C 800°C to 1000°C 1500°C to 1700°C 400° to 700°C 1200°C to 1300°C 800°C to 1000°C 1500°C to 1700°C ANSWER DOWNLOAD EXAMIANS APP
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