Q. The gases used in tungsten inert gas welding are (Solved)
1. Argon and helium
2. Helium and neon
3. Ozone and neon
4. Atomic hydrogen and neon
5. Carbonsioxide and nitrogen
- a. Argon and helium
1. Argon and helium
2. Helium and neon
3. Ozone and neon
4. Atomic hydrogen and neon
5. Carbonsioxide and nitrogen