7 Portable fire extinguishers Flashcards
Extinguisher classification?
Chapter 7 Page 6
What is saponification?
Saponification is a reaction that emulsifies the oil to form a type of soap that floats on the surface of the oil and prevents re-ignition of the oil vapours.
To receive a Class-A rating, an extinguisher must extinguish what?
a wood crib made up of
50 pieces of 5x5x50 cm boards.
To receive a Class B rating must extinguish what area o gas and liquid fires?
0.09 sqm or 1 square foot
What is the main extinguishing agent in a Class D Fire extinguisher? (Metal-X)
Sodium Chloride
What does AFFF stand for?
Aqueous film forming foam
What does FFFP stand for?
Film forming flouroprotein
What are the 3 Occupancy Hazard Classification?
- Light Hazard
- Ordinary Hazard
- Extra Hazard
What does PASS stand for related to Extinguishers?
Pull Pin
Aim
Squeeze
Sweep
What does REACT stand for?
Rescue Ensure door is closed Activate alarm Call 911 Try to extinguish
What are 4 common dry chemical extinguishing agents?
- Mono-ammonium Phosphate (ABC) (for rubber tires)
- Sodium Bicarbonate
- Potassium Bicarbonate
- Potassium Chloride
List 5 classifications of fire?
Class A -green triangle Class B - red square Class C - blue circle Class D - yellow star Class K - no colour symbol "K"
What Class CO2 extinguisher and dry chemical extinguisher is carried on EFRS units?
CO2 - 10BC
Dry - 20 A60BC