Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.6 to 0.8% 0.0004 0.4 to 0.6% 0.35 to 0.45% 0.6 to 0.8% 0.0004 0.4 to 0.6% 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Ferrite Austenite Pearlite Cementite Ferrite Austenite Pearlite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% MgO Steel SiO2 Al2O3 MgO Steel SiO2 Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace is used to produce Pig iron Wrought iron Cast iron Steel Pig iron Wrought iron Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Chromium Nickel Magnesium Copper Chromium Nickel Magnesium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature 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 The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
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