Engineering Materials Which of the following display properties similar to that of steel? Whiteheart cast iron None of these Blackheart cast iron Both (A) and (B) Whiteheart cast iron None of these Blackheart cast iron Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Is same for all steels Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Depends upon the rate of heating Is same for all steels Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Depends upon the rate of heating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 1050°C 770°C Below recrystallization temperature 910°C 1050°C 770°C Below recrystallization temperature 910°C ANSWER DOWNLOAD EXAMIANS APP
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