

MCQOPTIONS
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1. |
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» C. Suddenly in a suitable cooling medium | |