NFPA 10 Chapter 3, 4, 7 & 8 Exam 48 Questions with Verified Answers,100% CORRECT

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NFPA 10 Chapter 3, 4, 7 & 8 Exam 48 Questions with Verified Answers Define Listed - CORRECT ANSWER Services included in a list published by an organization that is acceptable to the AHJ Dry Chem... ical - CORRECT ANSWER A powder composed of very small particles (sodium bicarbonate, potassium bicarbonate, or ammonium phosphate) Wet Chemical - CORRECT ANSWER An aqueous solution of organic or inorganic salts ANSI - CORRECT ANSWER American National Standard Institute Define Antifreeze Charge - CORRECT ANSWER Loaded stream charge Carbon Dioxide - CORRECT ANSWER A colorless, odorless, electronically non-conductive inert gas that is a suitable medium for extinguishing class B and class C fires Dry Powder - CORRECT ANSWER Solid materials in powder or granular designed to extinguish class D fires Appreciable Depth - CORRECT ANSWER Quarter Inch Loaded Stream Charge - CORRECT ANSWER A water-based extinguishing agent that uses alkali metal salt as a freezing point depressant Water Mist Fire Extinguisher - CORRECT ANSWER A fire extinguisher containing distilled or de-ionized water and employing a nozzle that discharges the agent in a fine spray Water-Type Fire Extinguisher - CORRECT ANSWER A fire extinguisher containing water-based agents, such as water, film-forming foam agents (AFFF, FFFP), antifreeze, loaded stream, and wet chemical Each fire extinguisher should be marked with the following - CORRECT ANSWER 1. Identification of the listing and labeling organization. 2. Production category indicating the type of extinguisher. 3. Extinguisher classification as indicated in section 5.3. 4. Performance and fire test standards that they extinguisher needs or exceeds. 4.1.2 - CORRECT ANSWER Fire extinguishers manufactured prior to 1986 shall not be required to comply with which standard. Halon Extinguisher - CORRECT ANSWER Shall be listed and labeled to the UL 1093 (standard for halogenated agent fire extinguishers) shall be permitted to be used to comply with the requirements of this standard when installed, inspected, and maintenance and accordance with this standard. Third party - CORRECT ANSWER An organization listing fire extinguishers used to comply with the requirements of this standard shell utilize which program for portable fire extinguishers that meets or exceeds the UL 1803, Standard for Factory Follow Up on Third-Party Certified Portable Fire Extinguishers. Electrical Conductivity - CORRECT ANSWER Extinguishers listed for that class C rating shall not contain an agent that is a conductor of electricity. Instruction manual - CORRECT ANSWER The owner or the owner's agent shall be provided with a fire extinguisher instruction manual that details condensed instructions and cautious necessary to installation, operation, inspection, maintenance, and of the fire exterguisher(s). Obsolete fire extinguishers - CORRECT ANSWER 1. Soda Acid 2. Chemical foam (excluding film foaming agents) 3. Vaporizing liquid (e.g. carbon tetrachloride) 4. Cartridge - operated water 5. Cartridge - operated loaded stream 6. Copper or brass shells (excluding pump tanks) joined by soft solder or ribbons 7. Carbon dioxide extinguishers with metal horns 8. Solid charge-type AFFF extinguishers (paper cartridges) 9. Pressurized water fire extinguishers manufactured prior to 1971 10. Any extinguisher that need to be converted to operate 11. Any store pressure extinguisher manufacture prior to 1955 12. Any extinguisher with 4B, 6B, 8B, 12B, and 16B fire ratings 13. Store pressure water extinguishers with fiberglass shells (pre-1976) Dry chemicals stored pressure extinguishers - CORRECT ANSWER Which type of extinguisher manufactured prior to October 1984 shall be removed from service at the next 6-year maintenance internal or the next hydrostatic test, which ever comes first. 4.4.1 - CORRECT ANSWER This subsection shall not apply to wheeled-type dry chemical stored pressure fire extinguishers. Obsolete - CORRECT ANSWER Any fire extinguisher that can no longer be serviced accordance with the manufactures maintenance manual shall be removed from service and will be considered to be which type of extinguisher. How often shall fire extinguishers and class D extinguishing agents be inspected? - CORRECT ANSWER Once a month Inspection Procedures - CORRECT ANSWER Weight, Pressure, Visibility, Condition, Location Records for manual and electronic inspection shall be kept to demonstrate the last _ have been performed. - CORRECT ANSWER 12 monthly inspections Maintenance Procedures - CORRECT ANSWER Parts, Expelling means, Condition, Agent How often should all fire extinguishers be externally and visually examined? - CORRECT ANSWER Annually How often shall dry chemical extinguishers with mild steel shells need maintenance? - CORRECT ANSWER Every 6 years How often shall stainless steel dry chemical, carbon dioxide, and wet chemical extinguishers need maintenance? - CORRECT ANSWER Every 5 years Loaded Stream Charge - CORRECT ANSWER Stored-pressure types of fire extinguishers containing a loaded stream agent. (Annual maintenance required) Carbon Dioxide Hose Assembly Conductivity Test Interval - CORRECT ANSWER Annual Testing Required Wheeled Extinguisher Hose and Regulator Maintenance Interval - CORRECT ANSWER Annual Testing Required Recharging Frequency For Pump Tank and Wetting Agent Extinguishers - CORRECT ANSWER Every 12 months The premixed agent in liquid charge-type AFFF and FFFP shall be replaced once every _. - CORRECT ANSWER 3 years The vapor phase of carbon dioxide shall not be less than _ carbon dioxide. - CORRECT ANSWER 99.5 percent The water content of a carbon dioxide extinguisher shall not be more than _ by weight at -52 degrees Fahrenheit. - CORRECT ANSWER 60 parts per million Only standard industrial-grade nitrogen with a maximum dew point of _ shall be used to pressurize stored-pressure dry chemical and halogenated-type fire extinguishers. - CORRECT ANSWER -60 degrees Fahrenheit Shall a hydrostatic test include both an internal and external visual examination? - CORRECT ANSWER Yes All air shall be vented prior to hydrostatic testing to prevent what? - CORRECT ANSWER Violent and dangerous failure of a cylinder Test Pressure - CORRECT ANSWER Above or below 0.5 percent of the full range of the gauge Testing Equipment Pressure Gauge Calibration Interval - CORRECT ANSWER Semiannually The temperature used for drying shall not exceed _. - CORRECT ANSWER 150 degrees Fahrenheit Hydrostatic test interval for stored-pressure, wetting agent, stainless steel shell dry chemical, and carbon dioxide fire extinguishers. - CORRECT ANSWER Every 5 years Hydrostatic test interval for mild steel shell dry chemical, halogenated agents, and mild steel shell stored-pressure dry powder fire extinguishers. - CORRECT ANSWER Every 12 years How long shall the cylinder be under pressure during hydrostatic testing? - CORRECT ANSWER At least 30 seconds Test pressure for hose assemblies shall be maintained for a minimum of _. - CORRECT ANSWER 1 minute If test pressure is not specified on the extinguisher nameplate, what pressure shall be used for hydrostatic testing low-pressure cylinders? - CORRECT ANSWER Factory test pressure, not to exceed 3 times extinguisher service pressure Carbon dioxide hose assemblies requiring a hydrostatic pressure test shall be tested at _. - CORRECT ANSWER 1,250 psi Dry chemical, dry powder, water, foam, and halogenated agent discharge hose assemblies requiring a hydrostatic pressure test shall be tested at _. - CORRECT ANSWER 300 psi [Show More]

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