Welder Red Seal · Question
When using FCAW-G with an E7XT-5 electrode classification, what type of shielding gas is typically required?
The '5' in E7XT-5 indicates that 100% CO2 shielding gas is required for optimal performance and weld properties. Other shielding gases are typically used with d
Start free practice for Welder Red Seal
154 questions · no signup required · 40 free questions per day
Question: When using FCAW-G with an E7XT-5 electrode classification, what type of shielding gas is typically required?
Answer options:
- 100% Argon.
- Argon/Oxygen mixture. ✅ 100% Carbon Dioxide (CO2).
- Helium/Argon mixture.
Correct answer: 100% Carbon Dioxide (CO2).
Explanation: The '5' in E7XT-5 indicates that 100% CO2 shielding gas is required for optimal performance and weld properties. Other shielding gases are typically used with different electrode classifications in FCAW-G.
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.