NFPA 10: fire extinguishers exam 2024 with complete solutions

Obsolete fire extinguishers correct answers1. soda acid 2. chemical foam(excluding film forming agents) 3. vaporizing liquid 4. cartridge-operated water 5. cartridge-operated loaded stream 6. copper or brass shell (excluding pump tanks) joined by soft solder or rivets 7. carbon dioxide extinguishers with metal horns 8. solid charge-type afff extinguishers (paper cartridge) 9. pressurized water fire extinguishers manufactured prior to 1971 10. any extinguisher that needs to be inverted to operate 11. any stored pressure extinguisher manufactured prior to 1955 12. any extinguishers with 4b, 6b, 8b, 12b, and 16b fire ratings 13. stored-pressure water extinguishers with fiber glass shells (pre-1976) Dry Chemical extinguishers shall be removed from service correct answerswhat happens to dry chemical stored-pressure extinguishers manufactured prior to october 1984 at the next 6-year maintenance interval or hydrotest? Determines the selection of the type of fire extinguishers correct answers1. type of fire most likely to occur 2. size of fire most likely to occur 3. hazards in the area where the fire is most likely to occur 4. energized electrical equipment in the vicinity of the fire 5. ambient temperature conditions Class A correct answersFires in ordinary combustible materials, such as wood, cloth, paper, rubber, and many plastics.