In Annealing steel is heated slightly__ the critical temperature

In Annealing steel is heated slightly__ the critical temperature
| In Annealing steel is heated slightly__ the critical temperature of steel and allowing it to cool down ___.

A. Above, rapidly

B. Below, rapidly

C. Above, very slowly

D. Below, very slowly

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

Annealing is used to impart softness on steel which increases the ductility of steel, by heating slightly above the critical temperature and allowing it to cool down very slowly.