Engineering Materials Points of arrest for iron correspond to Stages at which properties do not change with increase in temperature There is nothing like points of arrest Stages at which further heating does not increase temperature for some time Stages at which allotropic forms change Stages at which properties do not change with increase in temperature There is nothing like points of arrest Stages at which further heating does not increase temperature for some time Stages at which allotropic forms change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Ductility Plasticity Malleability Brittleness Ductility Plasticity Malleability Brittleness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Mild steel Lead Graphite German silver Mild steel Lead Graphite German silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. Lowers Raises None of these Does not effect Lowers Raises None of these Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Depth of hardness of steel is increased by addition of Nickel Chromium Tungsten Vanadium Nickel Chromium Tungsten Vanadium ANSWER DOWNLOAD EXAMIANS APP
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