Engineering Materials The hardness of steel primarily depends on Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron Percentage of carbon Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron Percentage of carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant? Open hearth process Bessemer process LD process Electric process Open hearth process Bessemer process LD process Electric process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Tin Vanadium Zinc Sulphur Tin Vanadium Zinc Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Copper Silicon Chromium Nickel Copper Silicon Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C Below recrystallization temperature 1050°C 770°C 910°C Below recrystallization temperature 1050°C 770°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has Graphite as its basic constituent of composition No graphite A very high percentage of graphite A low percentage of graphite Graphite as its basic constituent of composition No graphite A very high percentage of graphite A low percentage of graphite ANSWER DOWNLOAD EXAMIANS APP
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