30 Welding Quiz Questions to Test Your Skills – Are You a True Welding ProShare:FacebookPinterestTwitterMailIn which welding process is an open flame used as the heat source?19%Next Correct Incorrect The correct answer is d) Oxy-Acetylene Welding In which welding process is an open flame used as the heat source? a) TIG Welding b) Stick Welding c) MIG Welding d) Oxy-Acetylene Welding 19%
