Chapter 5 Building Construction

Question 0

What are the four stages of a fire?

Answer 0

• Incipient
• Free Burning
• Flashover
• Smoldering/Decaying

Question 1

Fire requires four elements. What are they?

Answer 1

• Fuel
• Oxidizing Agent
• Heat
• Uninhibited chemical chain reaction

Question 2

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

Answer 2

An enclosure around a fire

Question 3

Three methods of heat transfer:

Answer 3

• Conduction contact
• Convection
• Radiation

Question 4

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

Answer 4

Backdraft

Question 5

Backdraft

Answer 5

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

Question 6

What are some construction factors influencing fire behavior?

Answer 6

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

Question 7

Elements of a compartment fire

Answer 7

• Fire Plume
• Smoke
• Heated Gases
• Ceiling Layer
• Neutral Plane

Question 8

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

Answer 8

Airborne solid and liquid particulates produced by a fire

-CO, hydrogen cyanide (HCN), and CO2

Question 9

Does ventilation eliminate CO explosions?

Answer 9

No