AWS Welding Inspection and Testing Certification Practice Test

Which of the following is classified as a flash burn?

1. A severe burn from a hot surface

2. A burn to the eye from ultraviolet light exposure

3. Total skin burn from molten metal

4. A burn caused by electrical shock

The correct answer is: A burn to the eye from ultraviolet light exposure

A flash burn specifically refers to an injury to the eyes resulting from exposure to intense ultraviolet light, often associated with welding operations. During the welding process, the arc emits intense UV radiation that can lead to a painful condition known as photokeratitis, often likened to a sunburn of the eye. This type of burn typically causes symptoms such as redness, tearing, and discomfort, which may not appear until several hours after exposure. The other options describe different types of burn injuries that do not fall under the category of flash burns. A severe burn from a hot surface refers to thermal burns that are caused by direct contact with a heated object. A total skin burn from molten metal is indicative of a severe thermal injury from hot materials, while a burn caused by electrical shock describes injuries resulting from electrical currents and associated thermal effects, which are distinct from the effects of UV light exposure. Understanding the nature of these different burn types is critical for ensuring proper safety measures and protective equipment in welding environments.