Welder Red Seal · Question
A certified company under CSA W47.1 Division 2.1 is fabricating a structural steel component for an overhead crane runway. Which of the following welding processes is generally NOT permitted for use on dynamically loaded structures under this certification division without special qualification?
CSA W47.1 Division 2.1 generally restricts the use of GMAW short-circuit transfer for dynamically loaded structures due to its lower heat input and potential fo
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Question: A certified company under CSA W47.1 Division 2.1 is fabricating a structural steel component for an overhead crane runway. Which of the following welding processes is generally NOT permitted for use on dynamically loaded structures under this certification division without special qualification?
Answer options:
- Shielded Metal Arc Welding (SMAW) ✅ Gas Metal Arc Welding (GMAW) - short-circuit transfer
- Flux-Cored Arc Welding (FCAW) - self-shielded
- Submerged Arc Welding (SAW)
Correct answer: Gas Metal Arc Welding (GMAW) - short-circuit transfer
Explanation: CSA W47.1 Division 2.1 generally restricts the use of GMAW short-circuit transfer for dynamically loaded structures due to its lower heat input and potential for lack of fusion, which can negatively impact fatigue life. The other processes listed are commonly accepted for such applications under this division.
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