Q. In gas welding, the welding rods of 30 mm diameter are available. What will be the maximum thickness of material that can be welded with this rod? (Solved)
1. 3 mm
2. 25 mm
3. 12 mm
4. 6 mm
5. 30 mm
- a. 3 mm
1. 3 mm
2. 25 mm
3. 12 mm
4. 6 mm
5. 30 mm