Which of the following gases are most frequently used as shielding to provide an inert atmosphere in the vicinity of the weld? a. argon, helium, and carbon dioxide b. sulphur dioxide, argon, and...


Which of the following gases are most frequently used as shielding to provide an inert atmosphere in the<br>vicinity of the weld?<br>a. argon, helium, and carbon dioxide<br>b. sulphur dioxide, argon, and oxygen<br>C. argon and helium<br>O d. argon and carbon dioxide<br>e. argon and carbon dioxide<br>

Extracted text: Which of the following gases are most frequently used as shielding to provide an inert atmosphere in the vicinity of the weld? a. argon, helium, and carbon dioxide b. sulphur dioxide, argon, and oxygen C. argon and helium O d. argon and carbon dioxide e. argon and carbon dioxide

Jun 11, 2022
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