Welder Red Seal · Question
During a performance qualification test, a welder is required to complete a 6G pipe weld using E7018 electrode. The welding inspector points out that the welder is consistently struggling with excessive undercut on the top-side of the pipe and a drooping weld puddle on the bottom. What adjustments should the welder consider specifically for the 6G position?
Excessive undercut on the top and a drooping puddle on the bottom in a 6G pipe weld indicate issues with heat management and gravity. Reducing amperage can help
Start free practice for Welder Red Seal
154 questions · no signup required · 40 free questions per day
Question: During a performance qualification test, a welder is required to complete a 6G pipe weld using E7018 electrode. The welding inspector points out that the welder is consistently struggling with excessive undercut on the top-side of the pipe and a drooping weld puddle on the bottom. What adjustments should the welder consider specifically for the 6G position?
Answer options: ✅ Reduce the amperage setting and refine electrode manipulation to account for gravity's effect around the pipe.
- Increase the amperage to ensure adequate penetration through the thick pipe schedule.
- Switch to a larger diameter electrode to increase deposition rate.
- Maintain current amperage but increase travel speed significantly around the entire pipe.
Correct answer: Reduce the amperage setting and refine electrode manipulation to account for gravity's effect around the pipe.
Explanation: Excessive undercut on the top and a drooping puddle on the bottom in a 6G pipe weld indicate issues with heat management and gravity. Reducing amperage can help control the fluidity of the weld puddle, preventing both undercut (by allowing the puddle to fill the joint) and drooping. Refined electrode manipulation, such as adjusting the work angle and travel speed for each section of the pipe, is critical to counteract the varying gravitational effects. Increasing amperage or electrode diameter would likely worsen the issues, and constant high travel speed might lead to lack of fusion.
Start free practice for Welder Red Seal
154 questions · no signup required · 40 free questions per day
More about Welder Red Seal
Related Questions
- 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
- When performing FCAW-G (gas-shielded flux-cored arc welding), a welder notices the arc is unstable and the wir
- A structural welder is performing overhead FCAW-G on 12 mm (0.5 in) thick steel with an E71T-1 wire. The weld
- A welder is setting up an FCAW-S machine for welding in a remote location without access to external shielding
More for Welder Red Seal candidates
Practice tests
Question explanations
- 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
- When performing FCAW-G (gas-shielded flux-cored arc welding), a welder notices the arc is unstable and the wir
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Welder Red Seal Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.