Firefighter 2 Ch 4
.
- 1.Wood reacts to fire conditions based on its:
- A.
Length and width
- B.
Height and weight
- C.
Size and moisture content
- D.
Elements and components
- 2.The ______ the wood, the easier to ignite and the faster it loses structural integrity
- A.
Older
- B.
Larger
- C.
Longer
- D.
Smaller
- 3.How does water affect burning wood?
- A.
By breaking down the wood
- B.
By cooling, which stops elongation of the wood
- C.
By cooling, which stops the wood from cracking
- D.
By stopping the charring process, which reduces wood's strength
- 4.Which of the following is minimally affected by fire and exposure to high temperatures?
- A.
Glass
- B.
Steel
- C.
Wood
- D.
Masonry
- 5.What can happen to masonry when it is rapidly cooled?
- A.
It fails
- B.
It cracks
- C.
It shatters
- D.
It elongates
- 6.Which of the following elongates when heated?
- A.
Steel
- B.
Glass
- C.
Gypsum
- D.
Reinforced concrete
- 7.Steel fails at temperatures near or above:
- A.
250* F (121*C)
- B.
500* F (260*C)
- C.
750* F (399*C)
- D.
1,000* F (538*C)
- 8.What effect does water have on steel?
- A.
Water may cause the steel to crack or shatter
- B.
Water causes the steel to lose strength through spalling
- C.
Water minimizes damage by stoping the charring process
- D.
Water cools structural members and reduces the risk of structural collapse
- 9.Which of the following has a high water content and absorbs a great deal of heat?
- A.
Glass
- B.
Fiberglass
- C.
Gypsum
- D.
Cast Iron
- 10.Heated glass may crack and shatter when struck by ______ water.
- A.
Cold
- B.
Warm
- C.
Low-Pressure
- D.
Extremely hot
- 11.Which of the following is NOT an item to oserve during size-up of a building?
- A.
Roof type
- B.
Age of the building
- C.
Location of the exits
- D.
Construction materials
- 12.Which of the following IS an item to observe during size-up of a building?
- A.
Height
- B.
Roof pitch
- C.
Location of the exits
- D.
Construction materials
- 13.What is fire load?
- A.
The length of time a building will take to burn completely
- B.
The amount of heat produced in an area when flashover occurs
- C.
The maximum heat that can be produced if all the combustible materials in a given area burn
- D.
A designation based on type of construction, age of building, and amount of combustible furnishings in a building
- 14.Which of the following can contribute to the spread and intesity of a fire?
- A.
Roof Supports
- B.
Roof Coverage
- C.
Location of Exits
- D.
Location of Hydrants
- 15.Which of the following conditions increase the chances of a building collapse?
- A.
Atmospheric Conditions
- B.
Masonry type
- C.
Wooden floors and ceilings
- D.
Height of the building
- 16.Which of the following is an indicator of building collapse?
- A.
Unusual creaks and cracking noises
- B.
Height of the building
- C.
Flames breaking through roof covering
- D.
Cracks in windows
- 17.Which of the following is NOT and indicator of building collapse?
- A.
Walls that appear to be leaning
- B.
Amount of smoke coming from the building
- C.
Structural members seperating from walls
- D.
Structural members that appear to be distorted
- 18.Which of the following is NOT an action to be taken when imminent builsing collapse is suspected?
- A.
Exit the building
- B.
Clear the collapse zone
- C.
Place a manned master stream device in the collapse zone
- D.
Infrom Command and others inside the building of the situation
- 19.In buildings being constructed, the lack of _____ contributes to rapid fire growth
- A.
Doors
- B.
Windows
- C.
Insulation
- D.
Structural members
- 20.Which of the following is NOT a risk at buildings being renovated?
- A.
Missing Stairwells
- B.
Breached Walls
- C.
Protective features not in place
- D.
Occupants living in one section while work continues in another
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