Fire Extinguisher Types and Usage Flashcards
6 cards from real Fire Safety practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Fire Extinguisher Types and Usage flashcards as text
Which of the following extinguishing agents is most appropriate for a Class D metal fire?
Answer: Dry sand or dry powder specific to the metal
Class D fires involving combustible metals like magnesium require special dry powder agents formulated for that specific metal.
After using a fire extinguisher partially, what should you do with it?
Answer: Have it recharged or replaced immediately
Even a partially discharged extinguisher must be recharged immediately because it may not have sufficient agent for the next emergency.
What is the minimum height above the floor at which a fire extinguisher must be mounted if it weighs over 40 lbs?
Answer: 3.5 feet
NFPA 10 requires extinguishers over 40 lbs to be mounted no higher than 3.5 feet to the top of the handle from the floor.
Which fire class involves fires in cooking appliances using vegetable or animal oils?
Answer: Class F/K
Class K (US) or Class F (international) covers cooking oil and fat fires, which burn at much higher temperatures than ordinary flammable liquids.
Why should you never use CO2 extinguishers in a confined space without proper ventilation?
Answer: CO2 displaces oxygen and can cause asphyxiation
CO2 extinguishers displace oxygen in confined spaces, creating a risk of asphyxiation for anyone in the area.
What is the purpose of the tamper seal on a fire extinguisher?
Answer: To show the extinguisher has not been used or tampered with
The tamper seal confirms the safety pin is intact, indicating the extinguisher has not been discharged or tampered with since its last service.