___________________ is GTA welded using a rounded tip tungsten, with the welding machine set for ACHF welding current.
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Q29: Failure to remove tungsten contamination properly will
Q30: Most GTA filler metals have some alloys,
Q31: Under what conditions is the amperage set
Q32: Explain why the filler rod end must
Q33: Mild steel weld coupons can have the
Q35: As the gas flows out of the
Q36: What can cause porosity (tiny bubbles) to
Q37: The torch may be angled for better
Q38: With stainless steel, it is desirable to
Q39: Why would a welder need to make
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