Brannigans Building Construction Questions Flashcards
What is known as the greatest of all firefighter enemies?
Gravity
What is meant by the team KIP which is used in engineering; Calculations where the number of force would be so large as to be unwieldy.
1000 Lbs Force
An office building floor must be able to sustain a load of at least 50 psf over the entire floor but also have the ability to sustain a load of ? At a specific location on the floor for individual or collected heavy objects like a heavy safe.
2000 Lbs
The factor of safety represents a measure of what is known about the material T or F?
False it represents a measure of what is unknown
The proper way to breach a masonry wall is to open a ? Hole
Triangular
At what temperature will steel elongate 9 inches per 100 ft of length
1000 degrees
Cement and Concrete are the same thing? T or F?
False Cement is an element of concrete
The difference between a building code and a fire code is
Building codes regulate the construction of a building; Fire codes regulate the use. Generally speaking, unless a building is renovated or modified building codes are not applied retroactively. A fire code applies to all structures and conditions within them, including existing hazards that were created even before the adoption of the code.
Fire codes and building codes are usually updated every ? Years by the NFPA and ICC
3
The actual path from any point in a building to a fire rated stairwell
Exit Access
The rated stairwell or exit passageway
Exit
The door to the exterior and a public way
Exit discharge
What is probably the most common toxic gas
Carbon Monoxide
Dry pipe sprinkler systems are typically installed in warm weather areas T or F
False they are in cold weather areas so they don’t freeze in the winter
In the OS&Y valve if the stem is protruding the valve is open T or F
true
In an ordinary beam (truss) the top of the beam is in ? And the bottom of the beam (truss) is in ?
Compression, tension
More firefighters have been killed in fires in ordinary construction buildings than in any other type T or F
True
Which term best describes a free-standing wall unsecured at the top
Cantilever wall
What is the most important metal used in building construction?
Steel
From a fire protection perspective, what is considered to be the best?
Fire Resistive (Type I)
For any unit area steel has how many times the compressive strength of concrete?
15
What is due to the expansion of moisture in the concrete?
Spalling
The standpipe system, a ? System, will have hose outlets in the mall at the entrance to each corridor and exit passageway (a more sustainably fire-rated corridor w/laminations on openings into it) at each floor level in stairwells, and at exterior public entrances to the mall.
Class I (For firefighter use only)
What is the principle smoke moving mechanism in a high-rise building?
The fire’s thermal energy
Hospitals and nursing homes usually have highly trained staff. Their staff practice “R-A-C-E” which stands for what?
Remove all people in immediate danger to safety
Activate the manual pull station and have someone call 911
Close doors to confine the spread of smoke and fire
Extinguish the fire, if possible
Fire walls are considered to be dynamic fire protection T or F
False they are passive
Non vertical columns are often called by other names such as?
Strut
This structural element transmits to the ground the compressive forces applied along the top of it or at any point.
Wall
While walking through the high pile storage area of a plant you talk to your firefighters about the ESFR heads used within the area. YOu explain that the discharge orifice is how many inches?
0.75
The weight of a building plus its fixed contents is the definition of what? The weight of movable objects, such as snow, wind, rain, etc is considered what?
Dead loads/ Live loads
A rolling bridge crane in a steel plant is an example of what kind of load?
Repeated load
A structure can sustain its greatest load when the load is?
Axial
An office building floor must sustain a floor load of at least how many pounds per square foot over the entire floor?
50
This type of fire prevention limits horizontal fire movement through large concealed passages such as web floor trusses or attics
Draft Stopping
Drains in the walls are called?
Scuppers
Masonry buildings with spans greater than how many feet must have interior bearing walls?
25 ft
Which type of protection is generally accomplished with various types of automatic sprinkler systems?
Dynamically protected
Steel Will expand what percent in length for each 100 degree Fahrenheit rise in temperature?
0.06-0.07
A beam that supports another beam is a?
Girder
In the pneumonic “R-A-C-E” the C stands for?
Close doors to confine the spread of smoke and fire
In the Steiner Tunnel Test what two materials are used for comparison points in evaluation the test results?
Cement Board/ Red Oak
What is the range for class B materials according to the Steiner Tunnel Test?
26-75
The radiant flux test measures a materials ability to do what?
Resist flame spread
What is the greatest concern for fires in strip malls?
Lateral spread of fire
The chief mover of smoke in a building is?
Gravity
The principle smoke mechanism in a building is?
The fires thermal energy
Concrete is inherently fire resistive T or F
False
What type of construction is involved in externally braced buildings?
Tube Construction
Self-releasing floors are most often seen in heavy timber construction T or F
True
The oldest structural member is the?
Post
What is the safety factor of steel?
2
What are two types of fire stopping?
Inherent and legal
A residential structure will usually be designed for a floor load of about?
30-40 Lbs/Sq Ft.
Concrete has how much less compressive strength of steel and is more or less costly?
15 times/ less
What are usually found near stairwells and identified with the international symbol of accessibility?
Areas of refuge
Lumber that is how many inches or more in its smallest dimension is classified as heavy timber?
8
Carbon Monoxide can be generated up to how many times as much in enclosed voids as in the open?
50
Buttresses are interior wall supports T or F
False
Plastic that will char and burn but not flow is a?
Thermoset
The standpipe system that does not have a permanent supply attached is ?
Manual dry system
The jetliner attacks on the twin towers on Sept 11, 2001 is an example of what type of load?
Impact load
What is the last stone set in place in an arch called?
Keystone
All loads are delivered to the ground through what?
Foundation
The Americans with disabilities act of 1990 includes regulations requiring areas of refuge for disabled people in multistory buildings T or F
True
Exterior emergency escape and rescue windows are required for all sleeping rooms in “R” occupancies below what floor for the rescue of trapped occupants?
4th
Elevator power controls are usually located in what floor for electric elevators?
Top floor
What is often considered the modest expensive byproduct of fire suppression?
Water Damage
What class of standpipe is referred to as “houselines”
Class II
What limits horizontal movement through large concealed passages such as open web floor trusses or attics?
Draftstops
Once beyond an interior offensive attack, a fully involved fire in what type of construction (multistory) is called conflagration breeder and is often the biggest fire of a firefighters career?
Heavy Timber
