Engineering Materials Smelting is the process of Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in ferrite is 0.001 0.0006 0.0025 0.00025 0.001 0.0006 0.0025 0.00025 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Molybdenum Nickel Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in Gamma-iron, aluminium, copper, lead, silver and nickel Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Gamma-iron, aluminium, copper, lead, silver and nickel Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which properties do not change with increase in temperature Stages at which allotropic forms change Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which properties do not change with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
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