Chemical Engineering Basics Mcqs

Q.  Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?

a. Tempering
b. Hardening
c. Annealing
d. Normalising


ANSWER: See Answer
 
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