Fire inspector part 2 Flashcards
(220 cards)
What are short, square columns which fail by crushing called?
Piers
The proper way to breach a masonry wall is to open which of the following shaped holes?
Triangular
Steel heated to 1000 degrees Fahrenheit elongates how many inches per 100 feet?
9 inches
Wood joist in masonry walls, which are cut off at angle to permit the joist to fall out of the wall without damaging the wall, is termed as which of the following?
Fire-cut
Lumber less than two inches thick is known as which of the following?
a board
What is lumber that is eight inches or more in its smallest dimension called?
Heavy timber
Masonry buildings with spans greater than how many feet must have interior load-bearing walls?
25 feet
What height is platform-frame construction usually limited to?
Three stories
Firefighters should always be aware of truss construction. What is an important point for firefighters to remember?
Trusses are subject to one point failure
What is used to limit the movement of fire through relatively small concealed passages such as under stairs and inside walls?
Fire stops
Pressure treated wood reduces flame spread. What test is used to measure this?
ASTM-E 84 Tunnel test
Pressure treating wood decreases its allowed load by how much?
25 percent
What are bricks that are laid lengthwise called?
Stretchers
Hallow walls in which withes are tied together with steel ties or masonry trusses are known as what type of walls?
Cavity
Stone which has been cut in rectangular shapes is called which of the following?
Ashlar Masonry
What describes a passageway, usually vertical, that is cut into a masonry wall for a pipe or conduit?
Chase
The fire-resistance rating of combustible floor and wall assemblies of wood and gypsum board are conducted in accordance with which NFPA Standard?
NFPA 251
A device which looks like a big staple and is used to connect girders together is called which of the following?
A dog iron
Which of the following typifies “the best roof”?
One in which the roof beams rest on girders
What is the usual height limit for garden apartments?
3 stories height
Which construction material does not yield heat when its burned in pure oxygen?
Gypsum
What is the fire resistance of floors and walls concerned with?
Resisting the passage of fire and collapse
The length of time that a tested material will continue to perform its structural and/or barrier function when put through a standard fire test describes which of the following?
Fire-resistance ratings
What does the amount of fuel a material contributes to a fire, the smoke a material develops and the rate of fire spreads over the surface of a material describe?
Flame spread ratings