30 Welding Quiz Questions to Test Your Skills – Are You a True Welding ProShare:FacebookPinterestTwitterMailWhich welding process uses a mixture of oxygen and acetylene to create an open flame?24%Next Correct Incorrect The correct answer is d) Oxy-Acetylene Welding Which welding process uses a mixture of oxygen and acetylene to create an open flame? a) TIG Welding b) Stick Welding c) MIG Welding d) Oxy-Acetylene Welding 24%