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Welding Basics Quiz - Most People Don't Know These Essential Welding Fundamentals
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When welding stainless steel pipe, what does 'purging' refer to?
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Hint
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⚖️
50-50
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Audience
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A
Running water through the pipe to cool it rapidly
B
Filling the inside with inert gas to prevent oxidation
C
Scraping the inside violently with a wire brush
D
Pressurizing the pipe with air to check for hidden leaks
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