Which of the following are the major characteristics of submerged are welding?
1. High welding speeds.
2. High deposition rates.
3. Low penetration.
4. Low cleanliness.
Select the correct answer using the code given below:
(a) 2 and 3 (b) 1, 2 and 3
(c) 3 and 4 (d) 1 and 2