Term
| What is the primary duty of a firefighter? |
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Definition
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Term
| What is the secondary duty of a firefighter? |
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Definition
| extinguish fires and limit damage to aircraft, objects, and surroundings. |
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Term
| What does the fire triangle consist of? |
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Definition
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Term
| What does the fire tetrahedron consist of? |
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Definition
Fuel
Heat
Oxygen
Chemical Reaction |
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Term
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Definition
occur in combustible materials that produce ash.
ex: paper, wood, cloth, and other fibrous materials |
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Term
| Extinguishing agents for Class ALPHA fires |
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Definition
water or AFFF
(Aqueous Film Forming Foam) |
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Term
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Definition
occur with flammable substances
ex: gas, jet fuel, oil, and other petroleum products. |
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Term
| Extinguishing agents for Class BRAVO fires |
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Definition
CO2 (Carbon dioxide)
PKP (Purple K Powder)
AFFF
Halon 1211 |
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Term
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Definition
| electrical fires. attacked with non-conductive agents. |
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Term
| Extinguishing agents for Class CHARLIE fires |
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Definition
if energized:
CO2, Halon, or H20 in fog pattern
if de-energized:
treat as class ALPHA, BRAVO, or DELTA fires |
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Term
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Definition
occurs with combustible materials
ex: magnesium and titanium |
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Term
| Extinguishing agents for Class DELTA fires |
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Definition
| H20 in large quantities in high velocity fog. apply from a safe distance to avoid reflashes. |
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Term
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Definition
Aqueous Film Forming Foam
it is a noncorrosive agent |
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Term
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Definition
Purple K Powder (Or Potassium Bicarbonate)
breaks the combustion chain. does not have cooling capabilities, so reflash will not occur. |
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Term
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Definition
| colorless, faint sweet smelling, electrically nonconductive gas |
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Term
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Definition
carbon dioxide
colorless, odorless gas that is heavier than air |
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Term
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Definition
water
cools aircraft, ordnance, provides a heat shield to personnel, and extinguishes class alpha fires |
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