New Mexico Pipe Fitter Journeyman (JPF) Practice Exam

Why is it important for welders to wear protective headgear?

1. To keep cool

2. To enhance visibility

3. To protect against falling objects

4. To shield from heat and light

The correct answer is: To shield from heat and light

Welders are exposed to various hazards while performing their tasks, and wearing protective headgear is essential for their safety. The primary reason for this is to shield the welder from intense heat and light that are generated during the welding process. The arc produced during welding emits harmful ultraviolet (UV) and infrared (IR) radiation, which can cause severe eye injuries, such as arc eye or flash burns, if proper protective measures are not taken. Additionally, the protective headgear typically includes a welding helmet or face shield, which is designed to reduce glare and enhance the welder's ability to see the workpiece clearly without being blinded by the intense light. This helps maintain accuracy and control while welding, further improving safety and the quality of the work. While protecting against falling objects and other dangers is important, the immediate risk welders face from the heat and bright light during the act of welding makes proper headgear vital. Enhancing visibility or keeping cool, while useful, are secondary benefits compared to the primary necessity of shielding the welder from harmful radiation and heat.