NCCER CORE MODULE 2 Basic Safety Exam Questions
Apparatus - An assembly of machines used together to do a particular job Arc - The flow of electrical current through a gas such as air form one pole to another pole 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 Concealed receptacle - The electrical outlet that is placed inside the structural elements of a building, such as inside the walls. The face of the receptacle is flush with the finished wall surface and covered with a plate 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 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
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