Chapter 1- Safety exam questions fully solved

Lockout/ tagout is a formal procedure for taking equipment out of service and ensuring it cannot be operated until a qualified person has returned it to service. Arc welding is the process of joining metal parts by fusion. flammable Because --- scrap materials catch fire and burn easily, remove them regularly from the work area. dross the cutting process results in oxides that mix with molten iron and produce ---. excavation An ---- is any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth. competent person A ------ identifies unsanitary, hazardous, or dangerous working conditions and has authority to correct or eliminate them. confined space An ---- is large enough to work in but has limited means of entry or exit; sometimes a permit is required to work in it. combustible Store --- liquids in safety cans to avoid the risk of fire. cross-bracing If a scaffold is more than 10 feet high, --- or pieces of wood or metal placed diagonally from of one rail to the top of another rail that add support to a structure- must be used. Electrical distribution panel The ---houses the circuit that distribute electricity throughout a structure. extension ladder An ---- is basically two straight ladders that are connected so the length of the ladder can be changed. flash goggles & flash Wear ----- to protect your eyes from the ---, which is the sudden, bright light that occurs when you start up a welding operation. OSHA To save lives, prevent injuries, and protect the health of America's workers, --- publishes rules and regulations that employees and employers must follow. arc If fuel is improperly mixed, it can cause an ---. planked An opening in a wall or floor is a safety hazard and must be either covered or ---. flash burn Even a brief exposure to the ultraviolet light from arc welding can cause damage to your eyes, causing an ---. HazCom is an OSHA rule requiring all contractors to educate their employees about the hazardous chemicals they may be exposed to on the job site. flash point The temperature at which a fuel gives off enough gases to burn is called the ---. ground A ---- is the conducting connection between electrical equipment or an electrical circuit and the earth. hand line When climbing a ladder or scaffold, use a tagline or ---- to pull up your tools. respirator SCBA is an example of a ----, or an assembly of machines used to do a particular job. planked If a work area is -----, that means it has pieces of material at least 2 inches thick and 6 inches wide used as flooring, decking, or scaffolding. lanyard When doing work more than 6 feet above the ground, you must wear a safety harness with a ---- that is attached to a strong anchor point. safety culture a good --- helps prevent or correct conditions that can cause accidents. maximum allowable slope To prevent a cave-in, follow OSHA regulations for ---- up a trench. MSDS Refer to the ---- to learn about how to handle hazardous substances. maximum intended load Overloading, which means exceeding the ----------- of a ladder, can cause ladder failure. signaler If you are operating a vehicle on a job site and cannot see to your rear, get a ----- to direct you. permit-required confined space Before working in a ---- you must be trained, obtain written authorization, and take the necessary precautions. trench A ------- is a narrow excavation made below the surface of the ground that is generally deeper than it is wide. mid-rail The ----- on a scaffold is placed halfway between the toeboard and the top rail. welding shield ----- for welding includes a face shield, ear plugs, and gloves. qualified person A ------ has proven his or her extensive knowledge, training, and experience and has successfully demonstrated the ability to solve problems relating to the work. apparatus (anatomy) a group of body parts that work together to perform a given function 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 Experience modification rate A rate computation to determine surcharge or credit to workers' compensation premium based on a company's previous accident experience. flashback A welding flame that flares up and chars the hose at or near the torch connection. It is caused by improperly mixed fuel. Foot-candle a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle GFCI ground fault circuit interrupter—a device that detects current leakage from a circuit to ground and shuts the current off. Detects any difference in current between the two circuit wires (the black wires and white wires) Management system The organization of a company's management, including reporting procedures, supervisory responsibility, and administration. Proximity work work done near a hazard but not actually in contact with it shoring General term used for lengths of timber, screw jacks, hydraulic and pneumatic jacks, and other devices that can be used as temporary support for formwork or structural components or used to hold sheeting against trench walls. Individual supports are called shores, cross braces, and struts. scaffold a platform from which criminals are executed (hanged or beheaded)