2025-2026 SERIES
NCCER WELDING LEVEL 1 MODULE 4 (AIR-CARBON
ARC CUTTING/GOUGING) EHOVE COMPLETE
QUESTIONS AND CORRECT ANSWERS | GRADED
AND THE LATEST SERIES
One of the primary uses for air-carbon arc cutting (A-CAC) is___.
Ans: To gouge weld grooves, to back-gouge welds, and to gouge out defective
welds
Question: When the electrode is gripped in the torch handle, the electrode tip
should be no further from the heads than ___.
Ans: 6" (15 cm)
Question: Electrodes designed for A-CAC use are copper coated and contain
an arc-stabilizing ingredient referred to as ___.
Ans: A rare-earth metal
Question: One of the procedures to prevent fires or explosions during A-CAC
work is to make sure ___.
Ans: That the carbon arc electrodes to be used are completely dry.
Question: An A-CAC concentric system has compressed air passing through
___.
Ans: The power conductor
, 2025-2026 SERIES
Question: Washing is a process used to prepare the surface of the base metal
____.
Ans: By removing objects and projections from the surface
Question: If an electrode holder becomes cracked or worn, ___.
Ans: It may be possible to replace only the damaged portion
Question: The A-CAC Process uses a high-current electric arc between the base
metal and the end of a(n) ___.
Ans: Carbon-graphite Electrode to melt the base metal
Question: An A-CAC Torch requires compressed air to blow the ___.
Ans: Molten metal away from the cut
Question: When cutting and gouging with a A-CAC Equipment, the jet orifices
of the torch head(s) should be located ___.
Ans: Between the electrode and the base metal surface
Question: To prevent overheating, the electrode tip to the V-groove head
should be no farther than___.
Ans: 6" (15 cm)
Question: Light-duty gouging or cutting is typically done with a ___.
NCCER WELDING LEVEL 1 MODULE 4 (AIR-CARBON
ARC CUTTING/GOUGING) EHOVE COMPLETE
QUESTIONS AND CORRECT ANSWERS | GRADED
AND THE LATEST SERIES
One of the primary uses for air-carbon arc cutting (A-CAC) is___.
Ans: To gouge weld grooves, to back-gouge welds, and to gouge out defective
welds
Question: When the electrode is gripped in the torch handle, the electrode tip
should be no further from the heads than ___.
Ans: 6" (15 cm)
Question: Electrodes designed for A-CAC use are copper coated and contain
an arc-stabilizing ingredient referred to as ___.
Ans: A rare-earth metal
Question: One of the procedures to prevent fires or explosions during A-CAC
work is to make sure ___.
Ans: That the carbon arc electrodes to be used are completely dry.
Question: An A-CAC concentric system has compressed air passing through
___.
Ans: The power conductor
, 2025-2026 SERIES
Question: Washing is a process used to prepare the surface of the base metal
____.
Ans: By removing objects and projections from the surface
Question: If an electrode holder becomes cracked or worn, ___.
Ans: It may be possible to replace only the damaged portion
Question: The A-CAC Process uses a high-current electric arc between the base
metal and the end of a(n) ___.
Ans: Carbon-graphite Electrode to melt the base metal
Question: An A-CAC Torch requires compressed air to blow the ___.
Ans: Molten metal away from the cut
Question: When cutting and gouging with a A-CAC Equipment, the jet orifices
of the torch head(s) should be located ___.
Ans: Between the electrode and the base metal surface
Question: To prevent overheating, the electrode tip to the V-groove head
should be no farther than___.
Ans: 6" (15 cm)
Question: Light-duty gouging or cutting is typically done with a ___.
