NFPA 10 Portable fire extinguishers exam 2023/2024 with verified solutions

Shall correct answersIndicates a mandatory requirement. Should correct answersIndicates a recommendation or that which is advised but not required. High Pressure Cylinder correct answersPressure hiigher than 500 psi Low Pressure Cylinder correct answersLower than 500 psi Dry Powder extinguishes Class D combustible metals fires by ________,________ or _________ correct answersCrusting Smothering, heat transferring A quick check correct answersInspection A thorough examination correct answersMaintenence Flammable liquids of Appreciable depth are those with a depth greater than correct answers1/4 inch Pressure testing of extinguisher against unwanted rapture correct answersHydrostatic Testing Loaded Stream Charge correct answersA water based extinguishing agent that uses an alkali metal salt as a freezing point depressant. What does a Loaded stream charge use as a freezing point depressant? correct answersalaki metal salt Extinguisher service pressure correct answersThe normal operating pressure indicated on the nameplate or cylinder of a fire extinguisher