Basic Safety - NCCER EXAM QUESTIONS AND CORRECT DETAILED ANSWERS 100% Verified

Basic Safety - NCCER EXAM QUESTIONS AND CORRECT DETAILED ANSWERS 100% Verified Apparatus - Answer- An assembly of machines used together to do a particular job Arc - Answer- The flow of electrical current through a gas such as air form one pole to another pole Arc Welding - Answer- The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc Combustible - Answer- Capable of easily igniting and rapidly burning ; Used to describe a fuel with a flash point at or above 100 degrees F Competent person - Answer- 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 - Answer- 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 - Answer- 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 - Answer- Braces(metal or wood) placed diagonally from the bottom of one rail to the top of another rail that add support to a structure Dross - Answer- Waste material resulting from cutting using a thermal process Electrical distributing panel - Answer- Part of the electrical distribution system that brings electricity from the street source (power poles and transformers) through the service lines to the electrical meter mounted on the outside of the building and to the panel inside the building. The panel houses the circuits that distribute electricity throughout the structure Excavation - Answer- Any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth Extension Ladder - Answer- a ladder made of two straight ladders that are connected so that the overall length can be adjusted Flammable - Answer- capable of easily igniting and rapidly burning ; used to describe a fuel with a flashpoint less than 100 degrees F Flash - Answer- A sudden bright light associated with starting up a welding torch Flashback - Answer- A welding flame that flares up and chars the hose at or near the torch connection. It is caused by improperly mixed fue