Block VI - Firefighting Fundamentals Flashcards Preview

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Flashcards in Block VI - Firefighting Fundamentals Deck (13)
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1

Primary and Secondary duties of a firefighter.

Primary: Saving lives.
Secondary: Extinguish fires and limit the damage to aircraft, shipboard, airfield installed equipment, and/or airfield structures.

2

What is the fire triangle?

Simple model that includes heat, fuel, and oxygen as the key components.

3

The fire triangle has been partially replaced by what?

Fire Tetrahedron

4

What is the difference between the triangle and tetrahedron?

The addition of a 4th element is what makes the triangle become a tetrahedron. (Chemical Reaction)

5

What are the 4 elements (Fire)?

Heat, fuel, oxygen and chemical reaction.

6

How many classes of fire are there and name each?

Four. ALPHA, BRAVO, CHARLIE, DELTA

7

Define class ALPHA fire.

Occur in combustibles materials that produce an ash such as burning wood and wood products, cloth, textiles and fibrous materials, and paper products.

8

What are the effective extinguishing agents to fight a class ALPHA fire?

Water and Aqueous Film Forming Foam.

9

Define a class BRAVO fire.

Occur with flammable liquid substances such as gasoline, jet fuels, oil, and other petroleum based products.

10

Effective extinguishing agents to fight a class BRAVO fire are?

AFFF, Halon 1211, Purple K Powder (PKP), and carbon dioxide (CO2)

11

Define a class CHARLIE fire.

Energized electrical fires that are attacked by using non conductive agents.

12

Effective extinguishing agents for a class CHARLIE fire are?

Energized: CO2, Halon, PKP, and H2O in fog patterns with a minimum distance of 4 Ft.

13

Define Class DELTA fire.

Combustible metals such as magnesium and titanium.