NCCER Welding Level 1 Module 1 Safety Verified Guide 2024
1. What does arc burn refer to?
Arc burn is a skin burn resulting from short exposure to intense radiant heat and ultraviolet light. ️
2. What does it mean when parts are described as bonded?
Bonded parts are permanently joined...
Arc burn is a skin burn resulting from short exposure to intense radiant heat and ultraviolet light. ✔️
2. What does it mean when parts are described as bonded?
Bonded parts are permanently joined together to create an electrically conductive path, ensuring
electrical continuity and the ability to safely carry any expected current. ✔️
3. What is carbon steel?
Carbon steel is an alloy consisting primarily of iron combined with usually less than 1 percent carbon,
which enhances hardness. ✔️
4. What is an electric arc?
An electric arc is the flow of electrical current that occurs across an air gap or gaseous space. ✔️
5. What does it mean for an object to be electrically grounded?
Being electrically grounded means that it is connected to the Earth or to some conductive material
that acts as an alternative to Earth. ✔️
, 6. What is an electrode in welding?
An electrode is the point from which a welding arc originates. ✔️
7. What is flash burn?
Flash burn refers to eye injuries, often called welder’s flash, resulting from exposure to intense radiant
heat and ultraviolet light. ✔️
8. What role does flux play in welding?
Flux is a substance used to dissolve or prevent the creation of oxides and other undesirable materials
at a weld joint. ✔️
9. What is a fume plume in welding?
A fume plume consists of fumes, gases, and particles released from consumables, base metals, and
coatings during the welding process. ✔️
10. What does galvanized steel refer to?
Galvanized steel is carbon steel that has been coated in zinc to prevent corrosion. ✔️
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