?How is a welding tip seal checked for a leak?
A. ?Place your finger over the end of the tip and spray the fitting with a leak detector.
B. ?Once the tip is tight, use a wrench to make ½ additional turn.
C. ?Put the cutting head in the cooling tank and look for bubbles.
D. ?Clean the fitting with a dry clean rag, and tighten the fitting with a 12 in. adjustable wrench.
Answer: B
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