The annealing process is carried out by heating the steel above the critical range, soaking it for sufficient time to allow the necessary changes to occur, and cooling at a predetermined rate, usually very slowly, within the furnace.
24) Which one of the following processes by which steel is heated to the required temperature and then cooled slowly in the furnace itself ?
Answer is:
Annealing
Explanation:
Related Heat Treatment MCQ - Turner (Set-1) with Answers
Answer is:
To improve machinability
Explanation:
Purpose of Annealing process is to
- To soften the steel.
- To improve the machinability.
- To increase the ductility.
- To relieve the internal stresses.
- To refine the grain size and to prepare the steel for subsequent heat treatment process.
Answer is:
Austenite
Answer is: