

McqMate
Q. |
In normalizing, cooling is done in which of the following medium? |
A. | air |
B. | water |
C. | oil |
D. | furnace |
Answer» A. air | |
Explanation: in normalizing, steel is heat treated above its critical temperature, solutionised, and then allowed to cool for a long time by keeping it in air. in steel, it forms fine pearlite, which imparts strength to steel. |
View all MCQs in
Engineering ChemistryNo comments yet