NACT1-Basic Safety NCCER Core Exam Questions with Complete Solutions
Arc Welding The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc 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 can identify working conditions or surroundings that are unsanitary, hazardous, or dangerous to employees and who has authorization to correct or eliminate these conditions promptly 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. Cross-Bracing Braces(metal or wood) placed diagonally from the bottom of one rail to the top of another rail that add support to a structure Excavation Any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth Flammable capable of easily igniting and rapidly burning ; used to describe a fuel with a flashpoint less than 100 degrees F Ground The conducting connection between electrical equipment or electrical circuit and the earth
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