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Exam (elaborations)

Basic Firefighting Chapters 1-5 Questions and Correct Answers/ Latest Update / Already Graded

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Basic Firefighting Chapters 1-5 Questions and Correct Answers/ Latest Update / Already Graded

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Basic Firefighting Chapters 1-5 Questions
and Correct Answers/ Latest Update /
Already Graded
Pyrolysis

Ans: Solid turns into a vapor so it may burn


Three Things Necessary for Fire

Ans: Fuel, Oxygen, heat


Fuel

Ans: Source to vaporize and burn


Oxygen

Ans: Combines with vapor to fuel fire


Heat

Ans: Raises the temperature of vapor to ignite


4 Hazardous By-products to life of combustion


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Ans: Flames: burns & respiratory damages
Heat: dehydration, heat exhaustion, burns
Gasses: CO2 & CO excess, O2 deficient
Smoke: chemical droplets/ toxins


Radiation

Ans: Transfer of heat with no substance of material


Convection

Ans: transfer of heat through heated matter such as smoke,
hot air, or flying embers


Chain reaction

Ans: Burning vapor which produces heat, releasing and igniting
more vapor, burning more vapor, producing more heat, etc.


Smoldering

Ans: Decay stage, watch for back draft. Last stage of fire


Incipient


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Ans: Growth stage with radiation feedback. First stage of fire.


Stages of fire

Ans: Incipient> Free burning> Smoldering


Class B Fire

Ans: Bravo: Flammable/Combustible Liquids
Ex. Fuel oil
Primary extinguishing: FOAM


Class C Fire

Ans: Charlie: Electrical Equipment
Ex. circuits, fuses, breakers
Primary extinguishing: CO2


Class K Fire

Ans: Kilo: Galley
Ex. Vegetable oil, lard
Primary Extinguishing: Wet chemical




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