Fire Extinguishers.txt

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Author:
Goody
ID:
118765
Filename:
Fire Extinguishers.txt
Updated:
2011-11-23 22:35:16
Tags:
Fire Extinguishers
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Description:
Fire Extinguishers
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  1. What are the 5 classes of fire?
    Classes A, B, C, D, K
  2. What does PASS mean for a fire extingusher?
    • Pull Pin
    • Aim Nozzle
    • Squeese Trigger
    • Sweep Flames
  3. How is the numerical rating for a fire extinguisher established?
    Based on the size of the fire that the particular fire may extinguish
  4. What are some extinguishing agents? (7)
    • Water
    • CO2
    • Dry chemical
    • Wet chemical
    • Dry powder
    • foam
    • Halogenated agents
  5. Why is water used to extinguish fires?
    • cheap
    • absorbes lots of heat
  6. What is a class A fire?
    Normal Combustable materials
  7. What is a class B fire?
    Flammable liquids
  8. What is a class C fire?
    Electrical
  9. What is a class D fire?
    combustable metals
  10. What is a class K fire?
    Cooking oils and fats
  11. How is the numerical classification of fire extinguishers extablished for a class A extinguisher?
    • 1-40A
    • 5.5L:1
    • If an extingusher can put out the same fire as 5.5L of water it is rated 1A
    • If an extingusher can put out the same fire as 11L of water it is rated 2A
  12. How is the numerical classification of fire extinguishers extablished for a class C extinguisher?
    • 1-640B
    • Is based on the sq ft. of area the extinguisher can put out by an untrained person
  13. What test must a class C extinguishing agent pass?
    It must not conduct electricity
  14. What are the symbols on the fire extingusher letters A, B, C, D, K?

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