UPDATED ANSWERS PASSED 100%
UPDATED VERSION
Which piece of salvage equipment is designed to carry debris and provide a water basin
for immersing small burning objects? - Correct Answer ✔✔ Carryall
Overhaul operations include: - Correct Answer ✔✔ Searching for hidden fires
During overhaul, prying tools can be used to: - Correct Answer ✔✔ Remove
baseboards and window frames
before removing SCBA during overhaul, firefighters must: - Correct Answer ✔✔ monitor
the atmosphere for the presence of carbon monoxide and hydrogen cyanide.
Which tools are used to open walls and floors during overhaul? - Correct Answer ✔✔
axes
When establishing scene security at a structure fire, the perimeter should: - Correct
Answer ✔✔ extend beyond the farthest piece of evidence.
Where does overhaul typically begin? - Correct Answer ✔✔ Area of most severe fire
involvement
Which method of protecting building contents keeps items secure and reduces
interference with fire suppression and ventilation activities? - Correct Answer ✔✔ Group
and cover items in the room where they are found
Which activity is included in overhaul operations? - Correct Answer ✔✔ Searching for
hidden fires
Which safety measure should be in place during overhaul? - Correct Answer ✔✔
Gloves to protect from cuts and thermal burns
the area of origin in a fire is identified by the IC or the: - Correct Answer ✔✔ fire
investigator
Which is a duty of a Fire Fighter I? - Correct Answer ✔✔ Protecting the incident scene
and preserving evidence
The structural integrity of a building is most affected by the intensity of the fire and: -
Correct Answer ✔✔ the amount of water used for extinguishment
,Rippled wallpaper and peeling paint are possible indicators of: - Correct Answer ✔✔ a
fire hidden behind a wall
In order to remain safe during overhaul, firefighters should always wear SCBA when
necessary and: - Correct Answer ✔✔ have a charged hoseline on standby
When using a thermal imager to look for hidden fires, the thermal imager may not
provide quality images: - Correct Answer ✔✔ of items behind reflective metal or glass
Since the chain of custody must be maintained for all fire evidence, all debris: - Correct
Answer ✔✔ should remain in place until the order is given to move it.
What is the purpose of salvage operations? - Correct Answer ✔✔ Reduce potential for
water and smoke damage after a fire
Which is an indicator that a fire was NOT accidental? - Correct Answer ✔✔ trailers
Covering openings in a building that were created during suppression activities: -
Correct Answer ✔✔ will help prevent damage from weather and trespassers.
Which tool is commonly used to open ceiling during overhaul? - Correct Answer ✔✔
pike pole
Which is an indicator of a possible hidden fire? - Correct Answer ✔✔ Smoke coming
through cracks in a wall
In order for investigators to determine the cause of the fire, firefighters should take note
of: - Correct Answer ✔✔ abnormal fire behavior when water is applied.
Spalled concrete is an indicator of: - Correct Answer ✔✔ Possible loss of structural
integrity
Which hazard are firefighters likely to encounter during overhaul? - Correct Answer ✔✔
toxic gases
Which factor is likely to affect the speed with which a steel structural member fails under
fire conditions? - Correct Answer ✔✔ size
How does the size of a wooden structural member affect how it reacts to fire? - Correct
Answer ✔✔ Heavy timbers remain strong even after exposure to direct flame
What should take place immediately after the collapse zone is cleared? - Correct
Answer ✔✔ Personnel accountability report
, Traditionally, how large is the collapse zone? - Correct Answer ✔✔ 1 1/2 times the
height of the structure
How does reinforced concrete react to exposure to fire? - Correct Answer ✔✔ It
performs well, but can lose strength through spalling
Once it is determined that collapse is imminent,: - Correct Answer ✔✔ the collapse
zone should be cleared as soon as possible.
How do a building's contents affect fire growth and structural collapse? - Correct Answer
✔✔ Contents can retain water and increase the stress on structural members
Which type of building material can produce toxic gases and rapidly deteriorate under
fire conditions? - Correct Answer ✔✔ Oriented strand board (OSB)
In which stage of fire development does structural collapse become likely due to the
weakened state of structural members and buildup of water? - Correct Answer ✔✔
decay
When should a collapse zone be established at a structure fire? - Correct Answer ✔✔
Once a defensive strategy is adopted
Which type of building material is affected by size and moisture content during fire
conditions? - Correct Answer ✔✔ wood
Which type of collapse is common for a Type V construction building? - Correct Answer
✔✔ walls collapsing inward
How does heat affect masonry? - Correct Answer ✔✔ Stones and concrete may
experience spalling when they are heated
Why can abandoned buildings pose great danger of fire and collapse? - Correct Answer
✔✔ The interior may be gutted and altered
What is an indicator of structural collapse? - Correct Answer ✔✔ Distorted structural
members
Which building material can potentially be harmful to firefighters because it contains a
glue called urea formaldehyde that gives off a hazardous gas when it is heated? -
Correct Answer ✔✔ particle board
When heated, steel structural members tend to: - Correct Answer ✔✔ elongate and
push walls outward