Engineering Materials Mcqs

Q.  Recrystallization temperature is one________________?

a. at which crystals first start forming from molten metal when it is cooled
b. at which new spherical crystals first begin to form from the old deformed one when a strained metal is heated
c. at which change of allotropic form takes place
d. at which crystals grow bigger in size
e. at which crystals are destroyed on heating


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