Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials There are fourteen atoms in a unit cell of Close packed hexagonal space lattice Face centered cubic space lattice Body centered cubic space lattice None of these Close packed hexagonal space lattice Face centered cubic space lattice Body centered cubic space lattice None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Cementite Ferrite Pearlite Austenite Cementite Ferrite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Perpendicular to lines of slag distribution Uniform in all directions Along the lines of slag distribution None of these Perpendicular to lines of slag distribution Uniform in all directions Along the lines of slag distribution None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In the lower part of the blast furnace (zone of fusion), the temperature is 1200°C to 1300°C 1500°C to 1700°C 400° to 700°C 800°C to 1000°C 1200°C to 1300°C 1500°C to 1700°C 400° to 700°C 800°C to 1000°C ANSWER DOWNLOAD EXAMIANS APP
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