Chapter 6 - Checking for fire extension Flashcards
The major contribution of ladder companies to exposure protection activities is
a. Checking for fire spread
b. Operating master streams onto exposure buildings
c. Operating master streams into the fire building from the exterior
d. Operating masters streams onto exposures or into the fire building depending on the volume of fire and rdiant heat
a. Checking for fire spread.
A building attached to the fire building but separated by a fire wall would be classified as
a. The fire building
b. An external exposure
c. An internal exposure
d. Either an internal or external exposure depending on the degree of separation between the two buildings
c. An internal exposure.
The ladder company is checking an adjoining building and they find a concealed wall area between buildings that they suspect contains fire, they should
a. Immediately open the wall
b. Immediately open the wall and use a fire extinguisher to extinguish the fire
c. Wait for a hose line to be advanced into the building before opening up the wall
d. Wait for a hose line to be advanced to the area where they are working before opening the wall
d. Wait for a hose line to be advanced to the area where they are working before opening the wall.
If fire is found in adjoining ___________, it is a sign that fire is spreading through concealed spaces.
a. Stairways
b. Halls and corridors
c. Rooms
d. Any of the above areas
d. Any of the above areas
When there is a working fire inside a building
a. Only open walls if they are hot
b. Open walls only if they are so hot that you cannot hold an ungloved hand on the inside wall
c. Rely on the thermal imaging camera to determine whether there is a need to open a concealed space
d. Assume that fire has entered concealed spaces
d. Assume that fire has entered concealed spaces.
Exhaust ducts from large commercial kitchens are designed to
a. Vent carbon monoxide and other combustion gases
b. Provide air to the cooking surface when natural or liquefied gases are used for fuel
c. Remove smoke and grease-laden vapors
d. Depending on the type of fuel used, these ducts can be used for any of the above functions
c. Remove smoke and grease-laden vapors.
Fire has the greatest tendency to travel
a. Vertically
b. Horizontally
c. Vertically or horizontally depending on the temperature of the fire, smoke, and gases being released
d. In all directions
a. Vertically.
When encountering high ceilings made of thick tongue-and-groove flooring material that needs to be opened to check for fire extension, it is best
a. To remove the boards one at a time from below using a pike poke
b. Place an “A” ladder near the side walls and remove a board that is three or four board widths into the room using an electrical or had saw
c. Leave the ceiling closed, but check for fire extension high on the wall on the side nearest the fire
d. Go to the floor above and access the area between floors from there
d. Go to the floor above and access the area between floors from there.
When making a trench cut, start by
a. Making observation holes to determine the location of the fire
b. Opening a hole from one exterior wall to the other across the shortest roof span
c. Opening a trench in the approximate center of the roof
d. Placing a hose stream in the attic to be protected
a. Making observation holes to determine the location of the fire.
When making a trench cut, the width of the trench (roof opening) should be at least
a. 1 ft
b. 2 ft
c. 4 ft
d. 6 ft
c. 4 ft.
When working in external exposure buildings, fire fighters should remove curtains, drapes, and shades from windows that face the fire to
a. Provide a clear view of the fire building so lines can be operated from the exposure into the fire building
b. Prevent ignition due to radiant heat
c. Prevent ignition due to convected heat
d. Prevent ignition due to conducted heat
b. Prevent ignition due to radiant heat.
If the exposure building has a wet standpipe equipped with a hose
a. The ladder company should notify the engine company of the location of the standpipe connections within the building
b. The ladder company should request the engine company to pump into the fire department connection and have a firefighter bring hose from the engine to connect to the standpipe
c. The ladder company should use the house line to knock down any fire that has entered the exposure building.
d. The ladder company should use the house line to attack the fire in the fire building provided the fire is within reach of the hose stream
c. The ladder company should use the house line to knock down any fire that has entered the exposure building.
