NCCER 00101 Exam Review Questions with Complete Solutions Graded A+

NCCER 00101 Exam Review Questions with Complete Solutions Graded A+ Accident - Answers Per the US Occupational Safety and Health Administration (OSHA), an unplanned event that results in personal injury or property damage. Arc Welding - Answers The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc. Brazing - Answers 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 - Answers Capable of easily igniting and rapidly burning; used to describe a fuel with a flash point at or above 100 degrees F. Competent person - Answers 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 - Answers 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 - Answers 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 - Answers Any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth. Flammable - Answers Capable of easily igniting and rapidly burning; used to describe a fuel with a flash point below 100°F (38°C). flash burn - Answers The damage that can be done to eyes after even brief exposure to ultraviolet light from arc welding. A flash burn requires medical attention. Flash point - Answers The temperature at which fuel gives off enough gases (vapors) to burn. ground - Answers The conducting connection between electrical equipment or an electrical circuit and the earth. ground fault - Answers An unintentional, electrically conductive connection between an ungrounded conductor of an electrical circuit and the normally non-current-carrying conductors, metallic enclosures, metallic raceways, metallic equipment, or earth. Ground Fault Circuit Interrupter (GFCI) - Answers A device that interrupts and de-energizes an electrical circuit to protect a person from electrocution. guarded - Answers Enclosed, fenced, covered, or otherwise protected by barriers, rails, covers, or platforms to prevent dangerous contact. Hand Line - Answers A line attached to a tool or object so a worker can pull it up after climbing a ladder or scaffold. Hazard Communication Standard (HAZCOM) - Answers The standard that requires contractors to educate employees about hazardous chemicals on the job site and how to work with them safely. hydraulic - Answers Powered by fluid under pressure. Incident - Answers Per the US Occupational Safety and Health Administration, an unplanned event that does not result in personal injury but may result in property damage or is worthy of recording. Lanyard - Answers A short section of rope or strap, one end of which is attached to a worker's safety harness and the other is to a strong anchor point above the work area. lockout/tagout - Answers A formal procedure for taking equipment out of service and ensuring that it cannot be operated until a qualified person has removed the lockout or tagout device (such as a lock or warning tag). Management System - Answers The organization of a company's management, including reporting procedures, supervisory responsibility, and administration. Maximum intended load - Answers The total weight of all people, equipment, tools, materials, and loads that a ladder can hold at one time. Midrail - Answers Mid-level, horizontal board required on all open sides of scaffolds and platforms that are more than 14 inches (35 cm) from the face of the structure and more than 10 feet (3 m) above the ground. It is placed halfway between the toe-board and the top rail. Occupational Safety and Health Administration (OSHA) - Answers An agency of the US Department of Labor. Also refers to the Occupational Safety and Health Act of 1970, a law that applies to more than 111 million workers and 7 million job sites in the country. Permit-required confined space - Answers A confined space that has been evaluated and found to have actual or potential hazards, such as a toxic atmosphere or other serious safety or health hazard. Workers need written authorization to enter a permit-required confined space. Personal Protective Equipment (PPE) - Answers Equipment or clothing designed to prevent or reduce injuries. Planked - Answers Having pieces of material 2 or more inches thick and 6 or more inches wide used as flooring, decking, or scaffolding. pnematic - Answers Powered by air pressure, such as a pneumatic tool.