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FIRE SAFETY CORRECT 100%, Exams of Safety and Fire Engineering

Type A extinguisher - ANSWERExtinguisher that uses pressurized water Fire tetrahedron - ANSWERModel of the four elements/conditions required to have a fire. The four sides of the tetrahedron represent fuel, heat, oxygen, and chemical chain reaction. (Shaped like a 3 sided

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2024/2025

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FIRE SAFETY CORRECT 100%
Type A extinguisher - ANSWERExtinguisher that uses pressurized water
Fire tetrahedron - ANSWERModel of the four elements/conditions required to have a
fire. The four sides of the tetrahedron represent fuel, heat, oxygen, and chemical
chain reaction. (Shaped like a 3 sided pyramid)
Fire - ANSWERChemical reaction called combustion, or rapid oxidation of
combustible material or fuel
producing heat and light
Components of fire - ANSWERFuel
Heat or ignition source
Oxygen (air)
Reaction chain
Fire reaction chain - ANSWERburning continues and accelerates
breakdown and recombination of molecules of burning material with oxygen
Classifications of fire - ANSWERBased on nature of the combustible material and
requirements for extinguishment
Class A
Class B
Class C
Class D
Class A fire - ANSWERFuel: Ordinary solid combustible materials that aren't metal
(paper, wood, plastic, and fabric)
Prevention: Good housekeeping, no smoking, keep itemsaway from heat source.
ABC extinguisher - ANSWERExtinguisher that uses
dry chemical/foam
ammonium phosphate
BC extinguisher - ANSWERextinguisher that uses carbon dioxide
Class B fire - ANSWERFuel: Flammable liquids/gases and combustible petroleum
products (in home- oil, grease, gasoline) (in clinical laboratory- ether, xylene,
acetone)
Prevention- fuel must be stored in explosion proof refrigerator and vented
How to use a fire Extinguisher - ANSWERstand a minimum of 6-10 feet from fire
Hold extinguisher in upright position
Apply to base of fire and work with a sweeping movement
Keep yourself between fire and door
P.A.S.S. - ANSWERTo use an extinguisher
Pull pin, Aim nozzle, Squeeze trigger, Sweep nozzle
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FIRE SAFETY CORRECT 100%

Type A extinguisher - ANSWERExtinguisher that uses pressurized water Fire tetrahedron - ANSWERModel of the four elements/conditions required to have a fire. The four sides of the tetrahedron represent fuel, heat, oxygen, and chemical chain reaction. (Shaped like a 3 sided pyramid) Fire - ANSWERChemical reaction called combustion, or rapid oxidation of combustible material or fuel producing heat and light Components of fire - ANSWERFuel Heat or ignition source Oxygen (air) Reaction chain Fire reaction chain - ANSWERburning continues and accelerates breakdown and recombination of molecules of burning material with oxygen Classifications of fire - ANSWERBased on nature of the combustible material and requirements for extinguishment Class A Class B Class C Class D Class A fire - ANSWERFuel: Ordinary solid combustible materials that aren't metal (paper, wood, plastic, and fabric) Prevention: Good housekeeping, no smoking, keep itemsaway from heat source. ABC extinguisher - ANSWERExtinguisher that uses dry chemical/foam ammonium phosphate BC extinguisher - ANSWERextinguisher that uses carbon dioxide Class B fire - ANSWERFuel: Flammable liquids/gases and combustible petroleum products (in home- oil, grease, gasoline) (in clinical laboratory- ether, xylene, acetone) Prevention- fuel must be stored in explosion proof refrigerator and vented How to use a fire Extinguisher - ANSWERstand a minimum of 6-10 feet from fire Hold extinguisher in upright position Apply to base of fire and work with a sweeping movement Keep yourself between fire and door P.A.S.S. - ANSWERTo use an extinguisher Pull pin, Aim nozzle, Squeeze trigger, Sweep nozzle

R.A.C.E - ANSWERIn case of Fire Rescue, Alarm, Contain, Exit In case of fire - ANSWERNotify and remove people in the area Use fire code an know location of the fire Close doors, and windows Turn off gas, electricity, etc. If smoky, crawl out on hands and knees If person on fire - ANSWERStop, Drop, and Roll Type A and type ABC extinguisher - ANSWERextinguishes Class A fires Type BC and type ABC extinguisher - ANSWERextinguishes Class B fires Class C fires - ANSWERFuel- electrical equipment (anything plugged in) Halogen extinguisher - ANSWERuse especially on computer fires causes less damage to computers Type BC, type ABC, and Halogen extinguishers - ANSWERUsed to extinguish Class C fires Class D fires - ANSWERFuel: Combustible/reactive metals such as (magnesium, sodium, potassium, aluminum) Difficult to extinguish Call fire department Use sand or dry media - ANSWERUsed to extinguish or control a Class D fire until fire department can arrive.