Match the items in List-I with the corresponding items in the List-II.
|
List-I
(Heat treatment) |
|
List-II
(Effect on properties) |
A. |
Annealing |
1. |
Grain refinement |
B. |
Nitriding |
2. |
Improves hardness of the whole mass |
C. |
Martempering |
3. |
Improves surface hardness |
D. |
Normalizing |
4. |
Reduce ductility |
Choose the correct option from the following:
1. A - 3, B - 1, C - 4, D - 2
2. A - 1, B - 3, C - 2, D - 4
3. A - 3, B - 1, C - 2, D - 4
4. A - 1, B - 3, C - 4, D - 2