Fire behavior Flashcards

1
Q

what is the fire triangle?

A

Fuel, Oxygen, Heat

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2
Q

what is the fire tetrahedron?

A

Fuel, Oxygen, Heat, and Chemical chain reaction

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3
Q

what is Chemical energy

A

energy that is created or released by the combination or decomposition of chemical compounds

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4
Q

Class A fire

A

Ordinary combustible materials

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5
Q

Class B fire

A

Flammable, combustible liquids

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6
Q

Class C fire

A

Energized electrical equipment

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7
Q

Class D fire

A

Combustible metals

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8
Q

Class K fire

A

Combustible cooking oils, fats

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9
Q

What are the 4 Phases of a fire

A

Ignition
Growth
Fully developed
Decay

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10
Q

What are sighs and symptoms of impending backdraft

A
  • The building appears to be breathing “puffing smoke”
  • smoke stained windows
  • thick yellowish smoke
  • little visible flame from exterior of building with turbulent smoke
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