Mastering Flux-Cored Arc Welding
Operations | Verified Questions and
Answers for Technicians and Trainees |
Updated 2025 Edition
What metals are often welded using FCAW? - ✔✔Carbon, alloy steels, and stainless steels
What does the term FCAW-G mean? - ✔✔Externally supplied shielding gas is used
What gas or gas mixtures are commonly used for FCAW? - ✔✔C02 or a mixture of Argon C02
Describe the two FCAW processes commonly used? - ✔✔Gas shielded and self shielded
Which of the 2 above is the electrode stickout most important, why? - ✔✔Self shielded.
Can have an electrode stick out of 3" or more
Which polarity is most often use with gas shielded wires? - ✔✔Reverse Polarity
Can DC straight polarity be used for FCAW? - ✔✔Yes for some self shielded wires
To change from .035 GMAW to .045 FCAW what would you have to change? - ✔✔The contact tip and
drive rolls
What electrode extension is commonly used for .045 FCAW-G? - ✔✔3/8 to 3/4
How are FCAW gun/hose/cable assemblies rated? - ✔✔current carrying capacity
List the guidelines used to consider when selecting an FCAW power source: - ✔✔rated output
duty cycle
, process capability
Operations | Verified Questions and
Answers for Technicians and Trainees |
Updated 2025 Edition
What metals are often welded using FCAW? - ✔✔Carbon, alloy steels, and stainless steels
What does the term FCAW-G mean? - ✔✔Externally supplied shielding gas is used
What gas or gas mixtures are commonly used for FCAW? - ✔✔C02 or a mixture of Argon C02
Describe the two FCAW processes commonly used? - ✔✔Gas shielded and self shielded
Which of the 2 above is the electrode stickout most important, why? - ✔✔Self shielded.
Can have an electrode stick out of 3" or more
Which polarity is most often use with gas shielded wires? - ✔✔Reverse Polarity
Can DC straight polarity be used for FCAW? - ✔✔Yes for some self shielded wires
To change from .035 GMAW to .045 FCAW what would you have to change? - ✔✔The contact tip and
drive rolls
What electrode extension is commonly used for .045 FCAW-G? - ✔✔3/8 to 3/4
How are FCAW gun/hose/cable assemblies rated? - ✔✔current carrying capacity
List the guidelines used to consider when selecting an FCAW power source: - ✔✔rated output
duty cycle
, process capability
