Q236
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
AnswerC.
Suddenly in a suitable cooling medium
D.
Any one of these
Answer: Option B
Solution
Answer: Option B
Solution:
In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Slowly in the furnace