NCCER Welding Level 1 Module 4 (Air- Carbon Arc Cu
Institution
NCCER Welding Level 1 Module 4 (Air- Carbon Arc Cu
NCCER Welding Level 1 Module 4 (Air-
Carbon Arc Cutting/Gouging) Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What is the purpose of air-carbon arc cutting?
To remove unwanted metal from a workpiece by using a high-temperature electric arc and
compressed air
...
NCCER Welding Level 1 Module 4 (Air-
Carbon Arc Cutting/Gouging) Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What is the purpose of air-carbon arc cutting?
✔✔ To remove unwanted metal from a workpiece by using a high-temperature electric arc and
compressed air
What type of electrode is used in air-carbon arc cutting?
✔✔ A carbon electrode
Why is compressed air used in air-carbon arc cutting?
✔✔ To blow away molten metal and slag from the workpiece
What is the primary safety concern when performing air-carbon arc cutting?
✔✔ Protecting yourself from flying molten metal and sparks
What does the arc do in the air-carbon arc cutting process?
1
, ✔✔ It melts the metal, allowing it to be removed by the compressed air
What is the ideal distance between the electrode and the workpiece during air-carbon arc cutting?
✔✔ About 1/8 to 1/4 inch
What is a common use of air-carbon arc cutting?
✔✔ Removing excess metal, like welds, from a workpiece
What is the recommended electrode size for air-carbon arc cutting?
✔✔ It depends on the thickness of the material being cut, but typically 1/8 inch to 1/4 inch
diameter electrodes are used
What type of current is typically used for air-carbon arc cutting?
✔✔ Direct current (DC)
How should you handle the air-carbon arc cutting torch?
✔✔ Hold it like a pencil with a comfortable grip, keeping the electrode pointed toward the
workpiece
2
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