MCQOPTIONS
Saved Bookmarks
| 1. |
Which of the following statements are true of annealing of steels? (1) Steels are heated to 500 to \[700{}^\circ C\] (2) Cooling is done slowly and steadily (3) Internal stresses are relieved (4) Ductility of steel is reduced. Select the correct answer using the codes given below: |
| A. | 2, 3 and 4 |
| B. | 1, 3and 4 |
| C. | 1, 2 and 4 |
| D. | 1, 2 and 3. |
| Answer» E. | |