Q. In arc welding, Argon is used because of its - (Solved)
1. Low reactivity with metal
2. Ability to lower the melting point of the metal
3. High flammability
4. High calorific value
- a. Low reactivity with metal
1. Low reactivity with metal
2. Ability to lower the melting point of the metal
3. High flammability
4. High calorific value