Engineering Materials Smelting is the process of Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these 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 Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Reducing the ore with carbon in the presence of a flux ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Fixed structure at all temperatures Any one of the above Atoms distributed in random pattern Different crystal structures at different temperatures Fixed structure at all temperatures Any one of the above Atoms distributed in random pattern Different crystal structures at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Can be easily forged or welded All of these Is a ductile material Cannot stand sudden and excessive shocks Can be easily forged or welded All of these Is a ductile material Cannot stand sudden and excessive shocks ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Above 2.2% Below 0.5% Above 1% Below 1% Above 2.2% Below 0.5% Above 1% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of White carbon Graphite Cementite Free carbon White carbon Graphite Cementite Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in 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 Gamma-iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP
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