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Essentials > Ch 18 - Foam, Liquid & Gas Fires > Flashcards

Ch 18 - Foam, Liquid & Gas Fires Flashcards

1
Q

Four ways Foam works

A

Separating
Cooling
Penetrating
Smothering

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2
Q

Separating

A

Creates barrier between fuel and ignition sources

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3
Q

Cooling

A

Lowers temperature of fuel and surfaces

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4
Q

Penetrating

A

Lowers surface tension of water allowing it to penetrate Class A fires

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5
Q

Smothering

A

Prevents air from reaching fuel and prevents release of flammable vapors

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6
Q

Foam application techniques

A

Roll on
Bank down
Rain down

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7
Q

Flammable liquid definition

A

Flash point less than 100°F

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8
Q

Combustible liquid definition

A

Flash point higher than 100°F

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Essentials (21 decks)

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