Chapter 6- Building Construction
If heated to a temperature of 1000°F, how far will a steel beam elongate per 10 feet?
1 inch
How much potential time can a solid-core door provide for a fire contamination when closed?
20 minutes
What is the type of construction called that has exterior wall studs continuous from basement to roof?
Balloon-frame
Curved roofs are usually supported by steel or wood:
Bowstring trusses or arches
The four factors that affect the behavior of commonly used building materials under fire conditions include 1) thermal conductivity, 2) decreasing in strength at elevated temperature, and 3) rate of thermal expansion
Combustibility
What is the measure of whether or not a material will burn?
Combustibility
What substance is prone to spall under fire conditions?
Concrete
What is the best way to learn about the construction and features of a particular building?
Conduct pre-incident planning
What is not a primary design used to construct roofs?
Cone
The strength of a truss depends on both it's members and the ______ between them
Connections
What are laminated glass windows likely to do when exposed to a fire?
Crack and remain in place
What is the term used to describe the weight of the building?
Dead load
What is it called when individual pieces of wood are glued together?
Engineered wood
What does steel do under intense heat?
Expand
What is used to prevent smoke and fire from spreading from floor to floor or via a vertical opening?
Fire separations
Which type of barrier is used to prevent the spread of fire from one side of the wall to the other?
Fire wall
What is the term used to describe the building component that transfers the weight of the building and it's contents to the ground?
Foundation
Type III construction is normally limited in height
Four stories
What is Type IV construction?
Heavy Timber
When a building does not entirely fit into one of the five (5) construction types, it is said to be:
Hybrid construction
What, if anything, does the observation of a steel beam bending under fire conditions warn of?
Imminent failure
What is gypsum board commonly used for?
Interior walls and ceilings
Under which conditions, if any, will gypsum burn?
It has limited combustibility
What effect does placing wire in tempered glass have on it under fire conditions?
It keeps it from breaking.
What will happen to gypsum board that is exposed to fire for a prolonged time?
It will fail
What is the term used to describe the weight of the building's contents?
Live load
Walls that provide structural support are called:
Load-bearing walls
What is inherently fire resistive?
Masonry materials
With what, if anything, can wood be impregnated to make it more difficult to ignite and slow burning?
Mineral salts
What is the term that denotes Type II construction?
Noncombustible
How can brick veneer siding be identified by firefighters?
Observing the pattern of the brick
Which term refers to how a building is used?
Occupancy
If a Type V building is not balloon-frame, then which framing system is it?
Platform-frame
Mortar is made by mixing sand, lime, water, and:
Portland cement
Type I buildings typically use reinforced concrete and ____ in their construction
Protected steel frame
What is the term for the chemical change that occurs to wood when it is heated, causing it to decompose without combustion?
Pyrolisis
What is one means of providing a secure work platform for fire fighters working on a pitched roof?
Roof ladder
What is another term for gypsum board?
Sheetrock
What are rafters?
Solid wood joists mounted in an incluned position
What is it called when trapped moisture in concrete is heated to steam and expands, causing parts of the concrete to break away?
Spalling
What metal is very strong both in tension and compression?
Steel
What does a CMU contain?
Steel reinforcing rods
What is the finishing material that is a thin concrete surface that can be such used over brick, tile, or wood?
Stucco
What would the observation of glass blocks in a wall tell fire fighters?
That the wall should not be load-bearing
A Type III building has two different fire loads
The combustible building materials
What, if anything, will burn in Type I buildings?
The contents only
How, if at all, is the density of wood related to its ease of ignition?
The denser it is, the harder it is to ignite.
Failure of a steel structure is dependent on three factors, including the mass of the steel components, and the loads placed upon them
The methods used to connect the steel pieces
Buildings under construction or demolition can present which of the following in comparison to a completed building?
The same level of hazards
To what is the rate of combustion directly related, concerning wood?
The surface area of the wood
What is the measure of how readily a material will conduct heat?
Thermal conductivity
What is the term for those plastics that will melt under fire conditions?
Thermoplastic
What is the primary purpose of a roof?
To protect the inside of the building from weather
Which type of construction is called ordinary construction?
Type III
Which type of construction is heavy timber?
Type IV
What is Type V construction?
Wood frame
What metal is used in building construction primarily as a coating to protect metal parts from rust and corrosion?
Zinc