Question

Which of the following are associated with Heat Affected Zone?    

1. Cold cracking

2. Notch toughness

3. Hydrogen embrittlement

4. Stress corrosion cracking

(a) 1, 2 and 3 only          (b) 1, 3 and 4 only

(c) 2, 3 and 4 only          (d) 1, 2, 3 and 4