Q. Filler metal is essentially used in which of the following welding process? (Solved)
1. Spot welding
2. Seam welding
3. Projection welding
4. Gas welding
5. All of the above
- d. Gas welding
1. Spot welding
2. Seam welding
3. Projection welding
4. Gas welding
5. All of the above