Electrical Engineering > EXAM > TFM02 exam 2023 with 100% correct answers (All)

TFM02 exam 2023 with 100% correct answers

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Clean Agent Electrically non-conducting, volatile, or gaseous fire extinguishant that does not leave a residue upon evaporation. High-Pressure Cylinder containing nitrogen, compressed air, carbon diox... ide, or other gases at a pressure higher than 500 psi (3447 kPa) at 70°F (21°C). Low-Pressure Cylinder containing fire- extinguishing agent (medium), nitrogen, compressed air, or other compressed gases at a service pressure of 500 psi (3447 kPa) or lower at 70°F (21°C). Dry Powder Solid materials in powder or granular form designed to extinguish CLASS D combustible metal fires by crusting, smothering, or heat-transferring means. Flammable Liquids of Appreciable Depth are those with a depth greater than 1/4 in What are halogenated agents clean agents acceptable halons? 1211, 1301 Each fire extinguisher shall be marked with the following: (1) Identification of the listing and labeling organization (2) Product category indicating the type of extinguisher (3) Extinguisher classification as indicated in Section 5.3 (4) Performance and fire test standards that the extinguisher meets or exceeds Class D extinguishing agents hall comply with: ANSI/UL 711, CAN/ULC-S508. ExtinguisherslistedfortheClassC rating shall not contain an agent that is a conductor of electricity Obsolete extinguishers (1) Soda acid (2) Chemical foam (excluding film-forming agents) (3) Vaporizing liquid (e.g., carbon tetrachloride) (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 Dry chemical stored-pressure extinguishers manufac- tured prior to October _________ shall be removed from service at the next 6-year maintenance interval or the next hydrotest, whichever comes first. 1984 [Show More]

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