Engineering Materials Chromium when added to steel _________ the tensile strength. Decreases None of these Increases Does not effect Decreases None of these Increases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 770°C 1050°C Below recrystallization temperature 910°C 770°C 1050°C Below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid steel contains following percentage of carbon 0.0063 0.0002 0.003 0.008 0.0063 0.0002 0.003 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Hardening surface of work-piece to obtain hard and wear resistant surface Heating and cooling rapidly Increasing hardness throughout Inducing hardness by continuous process Hardening surface of work-piece to obtain hard and wear resistant surface Heating and cooling rapidly Increasing hardness throughout Inducing hardness by continuous process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in Alpha-iron, tungsten, chromium and molybdenum None of these Gamma-iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha-iron, tungsten, chromium and molybdenum None of these Gamma-iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
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