Welder Red Seal · Question
Under CSA W47.1, a welder who successfully completes a T-class test on 10mm thick plate in the 2G and 3G positions is qualified for which of the following?
CSA W47.1 specifies that a T-class (plate groove) qualification test on thickness 't' (10mm) qualifies the welder for welds on material up to 2t (20mm). Passing
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Question: Under CSA W47.1, a welder who successfully completes a T-class test on 10mm thick plate in the 2G and 3G positions is qualified for which of the following?
Answer options:
- Groove and fillet welds on all thicknesses of plate in F, H, and V positions
- Fillet welds only on all thicknesses in all positions ✅ Groove and fillet welds on plate up to 20mm thick in F, H, and V positions
- Groove welds only on 10mm plate for the positions tested
Correct answer: Groove and fillet welds on plate up to 20mm thick in F, H, and V positions
Explanation: CSA W47.1 specifies that a T-class (plate groove) qualification test on thickness 't' (10mm) qualifies the welder for welds on material up to 2t (20mm). Passing the 2G (horizontal) and 3G (vertical) groove tests also qualifies the welder for the 1G (flat) position and all fillet weld positions.
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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
- A structural steel fabricator is using FCAW-S (E71T-8 wire) to weld heavy sections of structural steel in an o
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