Welding Level 1 Module 2 Exam
Questions and Answers 100% Solved
backfire - ✔✔a loud snap or pop as a torch flame is extinguished
carburizing flame - ✔✔A flame burning with an excess amount of
fuel; also called a reducing flame.
drag lines - ✔✔The lines on the edge of the material that result
from the travel of the cutting oxygen stream into, through, and out
of the metal.
dross - ✔✔the material that is expelled from the kerf when cutting
using a thermal process, sometimes called slag
ferrous metals - ✔✔metals containing iron
flashback - ✔✔the flame burning back into the tip, torch, hose, or
regulator, causing a high pitched whistling or hissing sound
gouging - ✔✔the process of cutting a groove into a surface
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, kerf - ✔✔the gap produced by a cutting process
neutral flame - ✔✔a flame burning with correct proportions of fuel
gas and oxygen
oxidizing flame - ✔✔a flame burning with an excess amount of
oxygen
pierce - ✔✔to penetrate through metal plate with an oxyfuel
cutting torch
soapstone - ✔✔soft, white stone used to mark metal
washing - ✔✔a term used to describe the process of cutting out
bolts, rivets, previously welded pieces, or other projections from
the metal surface
oxyfuel cutting is best suited for use on ________________ -
✔✔ferrous metals
the stream of high pressure cutting oxygen that is directed from
an oxyfuel torch causes the metal to instantaneously
________________ - ✔✔oxidize
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
Questions and Answers 100% Solved
backfire - ✔✔a loud snap or pop as a torch flame is extinguished
carburizing flame - ✔✔A flame burning with an excess amount of
fuel; also called a reducing flame.
drag lines - ✔✔The lines on the edge of the material that result
from the travel of the cutting oxygen stream into, through, and out
of the metal.
dross - ✔✔the material that is expelled from the kerf when cutting
using a thermal process, sometimes called slag
ferrous metals - ✔✔metals containing iron
flashback - ✔✔the flame burning back into the tip, torch, hose, or
regulator, causing a high pitched whistling or hissing sound
gouging - ✔✔the process of cutting a groove into a surface
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, kerf - ✔✔the gap produced by a cutting process
neutral flame - ✔✔a flame burning with correct proportions of fuel
gas and oxygen
oxidizing flame - ✔✔a flame burning with an excess amount of
oxygen
pierce - ✔✔to penetrate through metal plate with an oxyfuel
cutting torch
soapstone - ✔✔soft, white stone used to mark metal
washing - ✔✔a term used to describe the process of cutting out
bolts, rivets, previously welded pieces, or other projections from
the metal surface
oxyfuel cutting is best suited for use on ________________ -
✔✔ferrous metals
the stream of high pressure cutting oxygen that is directed from
an oxyfuel torch causes the metal to instantaneously
________________ - ✔✔oxidize
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
