3291. The gas used in different types of welding would include ?
مختلف قسم کی ویلڈنگ میں استعمال ہونے والی گیس شامل ہوگی۔
- A. Oxygen and Argon
- B. Oxygen and acetylene
- C. None
- D. Oxygen and Hydrogen
Check answer and explanation
Answer: Oxygen and acetylene
Explanation Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene