NCCER Module 1 Basic Safety Trade Terms Exam 2025 Questions & Answers with 100% Correct Answers | Verified

Accident - Per the US Occupational Safety and Health Administration (OSHA), an unplanned event that results in personal injury or property damage. Arc Welding - The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc. Brazing - A process using heat in excess of 800 degrees F to melt a filler metal that is drawn into a connection. Commonly used to join a copper pipe. Combustible - Capable of easily igniting and rapidly burning; used to describe a fuel with a flash point at or above 100 degrees F. Competent person - A person who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them. Confined space - A work area large enough for a person to work, but arranged in such a way that an employee must physically enter the space to perform work. A confined space has a limited or restricted means of entry and exit. It is not designed for continuous work. Tanks, vessels, silos, pits, vaults, and hoppers are examples of confined spaces.