Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
59 Cards in this Set
- Front
- Back
|
The most common building material used in North America |
Wood |
|
|
What are two factors that affect how wood reacts to fire conditions? |
Size and Moisture Content |
|
|
The _________ dimensions of the wood, the easier it is to ignite and the faster it will lose it structural integrity
A) Smaller B) Bigger |
A) Smaller |
|
|
True of False?
The moisture content of the wood affects the rate at which it burns? |
True |
|
|
Wood with a high moisture content
A) Red Wood B) Green Wood C) Brown Wood D) White Wood |
B) Green Wood |
|
|
True or False?
Fire retardants are always totally effective in reducing fire spread |
False
NOT always totally effective |
|
|
Pressure Treating wood can weaken the wood's load carrying capacity by as much as _____ percent |
25% |
|
|
A wooden structural panel formed by gluing and compressing wood strands together under pressure |
Oriented Strand Board (OSB) |
|
|
Newer construction is often using this material to construct roof decks, walls, and subfloors |
Oriented Strand Board (OSB) |
|
|
Bricks, Blocks, Stones and unreinforced and reinforced concrete products |
Masonry |
|
|
Bricks and Stone are generally used to create _________ walls
A) Curtain B) Load-bearing C) Veneer D) Non-load-bearing |
C) Veneer |
|
|
Walls with a surface layer of attractive material laid over a base of common material |
Veneer Walls |
|
|
__________ is minimally affected by fire and exposure to high tempatures
A) Masonry B) Metal C) Wood D) Plastic |
A) Masonry |
|
|
Stones and concrete may lose a portion of their surface when heated, a condition called _________ |
Spalling |
|
|
__________ building materials commonly include cast iron, steal and aluminum |
Metal |
|
|
______ iron was commonly used in the 19th century for structural support beams and columns, for stairs, balconies, railings, and elevators, and for the facades of buildings
A) Cast B) Wrought |
A) Cast |
|
|
_______ iron stands up well to intense heat but may crack or shatter when rapidly cooled with water
A) Cast B) Wrought |
A) Cast |
|
|
________ iron was used in buildings of the early 1800's for nails, straps, tie rods, railings and balconies
A) Cast B) Wrought |
B) Wrought |
|
|
Today, _______ iron is used for decorations in the construction of gates, fences, and balcony railings
A) Cast B) Wrought |
B) Wrought |
|
|
_______ iron is usually riveted or welded together while _______ iron is bolted or screwed
A) Cast, Wrought B) Wrought, Cast |
B) Wrought, Cast |
|
|
_______ is the primary material used for structural support in the construction of large modern buildings
A) Wood B) Bricks C) Steel D) Concrete |
C) Steel |
|
|
Steel structural members _________ when heated
A) Shorten B) Lengthen |
B) Lengthen |
|
|
The failure of steel structural members can be anticipated at temperatures near or above ________ degrees |
1000 degrees |
|
|
A structural support made from a long steel bar that is bent at a 90 degree angle with flat or angular pieces welded to the top and bottom |
Lightweight Steel Truss |
|
|
To reduce the heat on ________ structural members, fireproofing materials such as sprayed on concrete or sprayed on insulation is used
A) Steel B) Aluminum C) Iron D) Wood |
A) Steel |
|
|
Elongating steel can actually push ________ load-bearing walls and cause a collapse
A) In B) Out |
B) Out |
|
|
What can be used to cool steel structural members and stop elongation to reduce the risk of structural collapse? |
Water |
|
|
A nonload -bearing wall, often of glass and steel, fixed to the outside of a building and serving especially as cladding |
Curtain Wall |
|
|
_______ studs have replaced wood in many commercial and residential buildings
A) Steel B) Aluminum C) Plastic D) Iron |
B) Aluminum |
|
|
_______ will be affected by heat more rapidly than _______
A) Aluminum, Steel B) Steel, Iron C) Aluminum, Iron D) Iron, Aluminum |
A) Aluminum, Steel |
|
|
Tin, Copper and Lead will ______ when exposed to excessive amounts of heat
A) Withstand B) Fail C) Prosper |
B) Fail |
|
|
These steel bars are placed in concrete forms before the cement is poured. When the concrete hardens, it adds considerable strength to it |
Rebar |
|
|
Reinforced _________ is internally fortified with steel reinforcement bars (Rebar) or wire mesh |
Concrete |
|
|
Reinforced concrete does perform well under fire conditions, it can lose strength through __________ |
Spalling |
|
|
True or False?
Cracks and spalling in reinforced concrete are NOT necessarily indicators that strength may be reduced |
False
Cracks and spalling are an indication that damage has occurred and strength may be reduced |
|
|
This is also known as drywall or Sheetrock |
Gypsum |
|
|
________ boards have a high water content and are used to shield structural steel elements
A) Wood B) Concrete C) Gypsum D) Aluminum |
C) Gypsum |
|
|
The water content gives _________ excellent heat-resistant and fire-retardant properties
A) Wood B) Gypsum C) Timber D) Concrete |
B) Gypsum |
|
|
Because it breaks down gradually under fire conditions, _________ is commonly used to insulate steel and structural members
A) Gypsum B) Plastic C) Recycled paper D) Plaster |
A) Gypsum |
|
|
This kind of construction is generally found in buildings constructed prior to the 1950's
A) Steel B) Lath and Plaster C) Cast Iron D) Masonry |
B) Lath and Plaster |
|
|
Interior ____________ walls can be very difficult to penetrate with axes or hand tools.
A) Lath and Plaster B) Reinforced Concrete C) Steel D) Aluminum |
A) Lath and Plaster |
|
|
____________ can conceal fire within the cavity between the surfaces and add fuel to the fire in the form of studs
A) Wood B) Reinforced Concrete C) Gypsum D) Lath and Plaster |
D) Lath and Plaster |
|
|
_________ is used in sheet form for doors and windows and in block form for nonload-bearing walls
A) Aluminum B) Plastic C) Glass D) Steel |
C) Glass |
|
|
Heated ________ may crack and shatter when it is struck by a cold fire stream
A) Plastic B) Glass C) Gypsum D) Iron |
B) Glass |
|
|
This material is typically used for insulation purposes and is located between interior/exterior walls and between ceilings and roofs
A) Glass B) Recycled Paper C) Fiberglass D) Cotton |
C) Fiberglass |
|
|
The main component of this material is not a significant fuel, but the materials used to bind it together may be combustible and difficult to extinguish |
Fiberglass |
|
|
Which is not a type of insulation
A) Asbestos B) Fiberglass C) Plastic D) Straw |
C) Plastic |
|
|
A mineral fiber that was used before 1970 for insulation and as a fire retardant. It was discovered to be a carcinogen and banned today.
A) Cellulose B) Straw C) Asbestos D) Foam |
C) Asbestos |
|
|
Asbestos was discovered to be a known carcinogen and its use became banned in what year?
A) 1979 B) 1989 C) 2000 D) 1992 |
B) 1989 |
|
|
A soft wool like material used as insulation and also for textiles such as drapes. It was used between the 1960's and 1980's inside heating ducts to reduce the loss of heated air
A) Mineral wool B) Fiberglass C) Cotton D) Cellulose |
B) Fiberglass |
|
|
Prior to the 1960's, this was the most common type of insulation. It is currently becoming more popular as an insulation material
A) Mineral Wool B) Fiberglass C) Urea Formaldehyde Foam D) Cotton |
A) Mineral Wool |
|
|
This insulation material is made of approximately 80 percent recycled newspaper. Over time it loses its ability to be fire retardant and is a respiratory irritant when inhaled
A) Asbestos B) Cellulose C) Mineral Wool D) Foam |
B) Cellulose |
|
|
While this type of insulation is not widely available, it is as effective as fiberglass or cellulose but with fewer documented health risks than fiberglass
A) Cotton B) Asbestos C) Mineral Wool D) Straw |
A) Cotton |
|
|
This type of insulation is mostly used in hybrid or natural green construction buildings or houses. The disadvantage is that may become infected by insects and vermin
A) Cotton B) Urea Formaldehyde Foam C) Straw D) Mineral Wool |
C) Straw |
|
|
A type of building construction that uses renewable, environmentally friendly or recycled materials |
Hybrid Construction |
|
|
Due to the shortage of high-quality and large-diameter timber, the construction industry is using this type of building material more frequently than in the past
A) Plastic B) Composite Materials C) Aluminum D) Gypsum |
B) Composite Materials |
|
|
This material is manufactured by combining two or more distinctly different materials which results in a lightweight material with high structural strength, resistance to chemical wear, corrosion resistant, and heat resistant
A) Plastic B) Aluminum C) Gypsum D) Composite Materials |
D) Composite Materials |
|
|
This composite material is made from small particles and flakes generated in the manufacture of lumber
A) Particle Board B) Laminated Timber C) Synthetic Wood D) Finger-jointed Timber |
A) Particle Board |
|
|
This composite material, produced in sheets and boards, is manufactured from recycled plastic from milk bottles
A) Particle Board B) Laminated Timber C) Synthetic Wood D) Finger- jointed Timber |
C) Synthetic Wood |
