Which of the following effects are possible due to residual stresses in welding?
1. Reduce dimensional stability
2. Weld cracking
3. Effect on fatigue strength
4. Reduction in the creep strength V
Select the correct answer using the code given below
(a) 1 and 2 only (b) 2 and 3 only
(c) 1 and 3 only (d) 1, 2, 3 and 4