Welder Red Seal · Question
In FCAW, what is the purpose of the flux contained within the tubular electrode?
The flux inside FCAW electrodes performs similar functions to SMAW electrode coatings: it generates shielding gases, contains deoxidizers and scavengers to clea
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Question: In FCAW, what is the purpose of the flux contained within the tubular electrode?
Answer options: ✅ To provide shielding gas, deoxidizers, and slag formers, similar to SMAW flux
- To increase the conductivity of the electrode for higher current
- To chill the weld pool to prevent distortion
- To act as a lubricant for better wire feeding
Correct answer: To provide shielding gas, deoxidizers, and slag formers, similar to SMAW flux
Explanation: The flux inside FCAW electrodes performs similar functions to SMAW electrode coatings: it generates shielding gases, contains deoxidizers and scavengers to clean the weld metal, and forms a protective slag over the weld.
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- A welder is fabricating a pressure vessel component using FCAW-G with an E70T-1 wire. The procedure specifies
- A welder is preparing to weld 20 mm (0.8 in) thick high-strength low-alloy (HSLA) steel using FCAW-G. The weld
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