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In full annealing, the hypo-eutectoid steel is heated from 30° C to 50° C above the upper critical temperature and then cooled

Question: In full annealing, the hypo-eutectoid steel is heated from 30° C to 50° C above the upper critical temperature and then cooled
[A].

in still air

[B].

slowly in the furnace

[C].

suddenly in a suitable cooling medium

[D].

any one of these

Answer: Option B

Explanation:

No answer description available for this question.