5)CORRECT 100%
What must an officer do if there is a fire? - ANSWER1: Sound the alarm.
2: Call Main Control (Give name, location, type of fire and hold for verification)
What supports combustion and life? - ANSWEROxygen
What three elements are required for a fire? - ANSWERFuel, Oxygen, and Heat
What is required to make a Fire Tetrahedron? - ANSWERFuel, Oxygen, Heat, and a
Chemical Chain Reaction
What is a Chemical Chain Reaction? - ANSWERIn the burning process fuel
elements (compounds) are released by heat produced by fire. These elements join in
the fire (combined with oxygen) to produce more heat which releases more fuel
elements.
What percentage of oxygen is needed to breathe normal air? - ANSWER21%
What is the minimum percentage of oxygen needed to support respiration and
combustion? - ANSWER16%
What percentage of oxygen causes the visual flame to go out? - ANSWER15%
5% of oxygen does what do a fire? - ANSWERCauses it to go out.
What are the three physical states of fuel? - ANSWERSolid, Liquid, and Gases
What are the four classes of fire? - ANSWERClass A: Ordinary Combustibles
Class B: Liquids
Class C: Energized Electrical
Class D: Metals
What is rollover/flameover? - ANSWERWhen fire rises to the ceiling, then spreads
across.
What are some extinguishing methods? - ANSWER- Reduce Temp (Cool Water)
- Remove Fuel ( Turn off valves and remove solid fuel)
- Exclude oxygen (dirt, blanket, CO2, Multipurpose Extinguisher)
-Break Chemical Chain Reaction (Dry Chemical Fire Extinguisher)
Class K Fire Extinguisher - ANSWERKitchen Fires ONLY
What does EBA stand for? - ANSWEREscape Breathing Apparatus
What do you use on Class A fires? - ANSWERCool Water (Reduces Temp)