CWSR Practice Questions - Certified Welding Sales Representative Exam

What shielding gas is most commonly used for GMAW welding of carbon steel?

Pure argon Pure helium 75% argon / 25% CO2 Pure nitrogen

75% argon / 25% CO2

Access more questions from this quiz

Continue to CWSR Practice Questions - Certified Welding Sales Representative Exam for more practice questions and the full quiz experience.