NFPA 10 Test Questions and Answers

The provisions of NFPA 10 apply to the selection, installation, inspection, maintenance, and testing of portable extinguishing equipment. - Answer-True Requirements of NFPA 10 are - Answer-Minimum Portable extinguishers are intended as the first line defense for limited size fires and are not required if the building is protected by a sprinkler system. - Answer-False What is the purpose of NFPA 10 - Answer-For use and guidance of persons selecting, purchasing, installing, approving, listing, designing and maintaining portables. What is ANSI? - Answer-American National Standards Institute What does ANSI do? - Answer-Official standards making/setting organization of the USA. The term approved means acceptable to the authority having jurisdiction. - Answer-True What does AHJ stand for? What does it mean? - Answer-Authority having jurisdiction, Fire Marshal/Property owner. Define Class A Fire - Answer-Ordinary Combustibles eg. wood, paper, cloth, (leave ash) Define Class B Fire - Answer-Flammable Liquids and Gas Define Class C Fire - Answer-Electrical Define Class D Fire - Answer-Combustible MetalsCartridge or cylinder operated fire extinguishers use a separate container for the expellant gas from the storage container. - Answer-True When can a Class A or Class B rated fire extinguisher be used safely on Class C Fires? - AnswerDeenergize equipment D.O.T. stands for the US Department of Transportation and has jurisdiction over all cylinders and cartridges containing 400 psig or more internal pressure. - Answer-True Dry chemical is designed for Class A and Class B fires and is also a non conductor of electricity and may be used on energized electrical equipment. - Answer-True. Factory Test Pressure is the pressure at which the shell was tested at the time of the manufacture and is shown on the extinguisher nameplate. - Answer-True Bromochlorodiflouromethane is Halon 1301. - Answer-False What is Bromotriflouromethane? - Answer-Halon 1301 The material protocol was signed on: - Answer-September 16, 1987 In what year did the amendments to the protocol call for a worldwide cessation of production of Halon 1211? - Answer-1992 For the purposes in NFPA 10, High pressure cylinders are those containing nitrogen, compressed air, CO2, or other gases at pressures higher than 500psig - Answer-True The interstate commerce commission had jurisdiction over high-pressure cylinders and cartridges prior to 1967. - Answer-True An inspection of a fire extinguisher is a quick check and is required to be done at least monthly. - Answer-TrueMaintenance of a fire extinguisher is a thorough examination and shall be done at least every 6-years. - Answer-True Some fire extinguishers marked non refillable may be recharged by competent fire equipment dealers. - Answer-False What does NFPA stand for? - Answer-National Fire Protection Association A cylinder containing fire extinguishing agent, nitrogen, compressed air, or other compressed gasses at a service pressure of 500 psig or lower is: - Answer-Low pressure cylinder Alkalimetal salt, used as an antifreeze medium, is used in what kind of fire extinguisher agent. - AnswerLoaded stream What is a portable extinguisher? - Answer-Portable device carried on wheels or by hand that has agent under pressure to extinguisher Rechargeable extinguishers are marked recharged immediately after any use. - Answer-True Define recharging - Answer-Refill extinguisher with proper agent. List an example of a self expelling fire extinguisher - Answer-Carbon dioxide, CO2 Service pressure is the pressure that is indicated on the gauge and nameplate of a fire extinguisher. - Answer-True Servicing includes one or more of the following: (1) maintenance (2) recharging (3) hydrostatic testing. - Answer-True In NFPA "shall" is used as a recommendation and is not a requirement. - Answer-FalseIn NFPA "should" indicates a mandatory requirement. - AnswerA stored pressure extinguisher stores the expellant gas in a separate container from the extinguishing agent. - Answer-False What does T.C. stand for? - Answer-Transport Canada Where Is T.C.s jurisdiction - Answer-Canada The actual walking distance from any point to the nearest fire extinguishers fulfilling hazard requirement is: - Answer-None of the above. The classification and rating system as used in the NFPA 10 is that of: - Answer-Underwriters Laboratories List 3 examples of light hazards - Answer-Office building, churches, schools List 3 examples of ordinary hazards - Answer-Parking garages, car showroom, dining area. List 3 examples of extra high hazards - Answer-Warehouses with combustibles, woodworking facility, vehicle repair shop The classification of fire extinguishers shall consist of a _______ that indicates the class of fire on which an extinguisher has been found to be effective, preceded by a rating ______ (Class A and B only) that indicates the relative extinguishing effectiveness. - Answer-Letter, Number Cartridge operated water extinguishers shall not be removed from service - Answer-False Fire extinguishers shall be located along normal paths of travel, including exits from areas. - Answer-TrueIt is ok for hand held portable fire extinguishers to be left sitting on the floor as long as it is properly marked with location signs. - Answer-False Fire extinguishers weighing less than 40lbs shall be installed so that the top of the extinguishers is not more than 6 feet from the floor. - Answer-False Fire extinguishers weighing more than 40lbs shall be installed so that the top of the extinguisher is no more than 3.5 feet from the floor. - Answer-True In no case shall the clearance between the bottom of the extinguisher and the floor be less than 4 inches. - Answer-False Labels that specifically relate to operation, classification, or warning information shall not be permitted on the front of the extinguisher. - Answer-False Which of the following conditions may result in the condemning of a fire extinguisher during inspection. - Answer-All of the above. High pressure cylinders and cartridges including nitrogen cylinders and cartridges used as an expellant for wheeled fire extinguisher shall not be hydrostatically tested every 5 years. - Answer-False Carbon dioxide fire extinguishers shall be tested at 5/3 the service pressure as stamped into the cylinder. - Answer-True AFFF and FFFP fire extingulshers can be protected against temperatures below 40° F by adding an antifreeze charge. - Answer-False The use of a Carbon Dioxide fire extinguisher - Answer-Should not be used in confined spaces Burning metals - Answer-Known as class D fires and may react violently to water and significantly increase hazards associated with burning metals.Items that affect distribution of portable fire extinguishers are: - Answer-All of the above. Carbon Dioxide hose assemblies have a continuous metal braid that connects to both couplings to minimize the static shock hazard. - Answer-True Hydrotest labels should be printed in black with a light blue background - Answer-False Halon Extinguisher Recharge- if the extinguisher valve is removed for service, what is the recommended? - Answer-Purge extinguisher with nitrogen All dry chemical and dry powder types of fire extinguishers must have what? - Answer-All traces of powder removed before filling with water. All wheeled fire extinguishers equipped with a shut off nozzle at the end of the hose must have: - Answer-A special adapter to test and recharge. First 4 principles of selecting fire extinguishers: - Answer-Ease of use, physical ability of people, effectiveness of extinguisher, hazards in area. The principle advantage of CO2 fire extinguisher is: - Answer-Leaves no residue What does Bromochlorodiflouromethane stand for? - Answer-Halon 1211 What is a stored pressure? - Answer-Both agent and pressure are in the same cylinder The intended position for operating instructions is usually located: - Answer-On the front of the extinguisher What class is a water extinguisher? - Answer-Class A