Chapter 5 Building Construction Flashcards Preview

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Flashcards in Chapter 5 Building Construction Deck (10)
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0
Q

What are the four stages of a fire?

A
  • Incipient
  • Free Burning
  • Flashover
  • Smoldering/Decaying
1
Q

Fire requires four elements. What are they?

A
  • Fuel
  • Oxidizing Agent
  • Heat
  • Uninhibited chemical chain reaction
2
Q

In regards to fires, what is the definition of a Compartment?

A

An enclosure around a fire

3
Q

Three methods of heat transfer:

A
  • Conduction contact
  • Convection
  • Radiation
4
Q

Burning of heated gaseous products when oxygen is introduced into an environment whose oxygen supply has been depleted

A

Backdraft

5
Q

Backdraft

A

Burning of heated gaseous products when oxygen is introduced into an environment whose oxygen supply has been depleted

6
Q

What are some construction factors influencing fire behavior?

A
  • Combustible interior finishes or walls
  • Vertical openings
  • Height of the fire room
  • Proximity of walls to each other
  • HVAC system
7
Q

Elements of a compartment fire

A
  • Fire Plume
  • Smoke
  • Heated Gases
  • Ceiling Layer
  • Neutral Plane
8
Q

What is smoke comprised of? What chemicals are found in it?

A

Airborne solid and liquid particulates produced by a fire

-CO, hydrogen cyanide (HCN), and CO2

9
Q

Does ventilation eliminate CO explosions?

A

No