Chapter 5 Building Construction Flashcards
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
