welding level 1 module 2 Exam 2025 Questions & Answers with 100% Correct Answers | Verified

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 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