Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 770°C Below recrystallization temperature 910°C 1050°C 770°C Below recrystallization temperature 910°C 1050°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is High speed steel Stainless steel Nickel steel Heat resisting steel High speed steel Stainless steel Nickel steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There are two critical points There is no critical point There is only one critical point There can be any number of critical points There are two critical points There is no critical point There is only one critical point There can be any number of critical points ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Ability of hold protective coating High resistance to rusting and corrosion Uniform strength in all directions High ductility Ability of hold protective coating High resistance to rusting and corrosion Uniform strength in all directions High ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is None of these Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air None of these Heated below the lower critical temperature and then cooled slowly Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Graphite Lead German silver Mild steel Graphite Lead German silver Mild steel ANSWER DOWNLOAD EXAMIANS APP