(Building Construction) Chapter 5 Fire Behavior and Building Construction Flashcards
____ can contribute to affects the behavior of fire in sereral ways:
fire extention by flame spreading over the surface of walls and ceilings, affect the rate of fire growth, adds to intensity of fire because of its contributes to fuels, and can produce smoke and toxic gases that contribute to the life hazard.
A. Exterior Finish
B. Non combustiable walls
C. Interior Finish
D. Steel walls
C. Interior Finish
International community uses the ter Interior lining instead of interior finish.
The degree to which fire can spread over the surface of a material is tecnically referred to as the ____ of the material
A. Burn coefficient
B. Surface buring characteristic
C. Ventilation
D. Fire dispersal
B. Surface buring characteristic
Chapter 5 Building contruction 154
The maximum flame spread rating allowed is?
A. 25
B. 75
C. 200
D. None of the above
C. 200
Flame spread rating
A-class material. 0-25 requried vertical exits
B- class material. 26-75 rated are requried for corridors that provide exit access
C- class material. 76-200 depending on occupancy rooms
____ Total amount of heat produced or released to the atmosphere from the conventive-lift fire phase of fire per unit mass of fuel consumed per unit time.
A. Flame Spread Rating
B. Heat Release Rate
C. Assembly
D. Steiner tunnel test
B. (HRR) Heat Release Rate
____ Numerical rated assigned to a matrerial based on the speed and extent to which flame travels over its surface.
A. Flame Spread Rating
B. Heat Release Rate
C. Assembly
D. Fire test
A. Flame Spread Rating
other names or references to flame spread rating. Tunnel Test or Steiner Tunnel Test
UL 753 and NFPA 225
____ a measure of the total fuel available to fire and, therefore, the total heat that can be released in a fire
A. Heat Release rate
B. Flame Spread Rating
C. Fire Load
D. Fuel Load
C. Fire Load
The ____ developed rating is a measure of the visual obscurity caused by the smoke from the tested material. The rating does not indicate the toxicity or volatility of the material.
A. Smoke
B. Flame
C. Limit
D. Scott
A. Smoke
____ Ability of a substance to do harm within the body. ____ Ability of a substance to vaporize easily at a relatively low temperatrue.
A. Poison, Dencity
B. Venom, Gasify
C. Tonic, Vaporise
D. Toxicity, Volatility
D. Toxicity, Volatility
____ Any substance, except plain water, that is applied to another material or substance to reduce the flammability of fuels or slow their rate of combustion by chemical or physical action.
A. Plain water
B. Wet stuff
C. Red stuff
D. Fire Retardant
D. Fire Retardant
Ex. Intumescent paints, Mastics, Gas-Forming Paints, Cementitious and mineral fiber coating
____ paints expand upon exposure to heat to create a thick, puffy coating that insulatese the wood serface from heat and excludes oxygen from wood.
A. Intumescent
B. Mastics
C. Fiber board
D. latex
A. Intumescent
____ coating forms a thick, non combustible coating over the surface of the wood
A. Paint
B. Mastic
C. Intumescent
D. Stain
B. Mastic
____ fire protection consistent of equipment such as an automatic sprinkler system or alarm system that requires power source for operations. This power source may be manual, such as is the case with portable fire extinguishers
A. Active
B. Passive
C. Automatic
D. Manual
A. Active
Building construction 161
____ Fire protection relies on building construction and materials to contain fire or products of combustion. Examples: FIre walls, Stair enclosures..
A. Active
B. Passive
C. Automatic
D. Manual
B. Passive
Building contruction 161
______ ______- Series of barriers designed to keep flames, smoke, and heat from spreading from one room or floor to another; Barriers may be doors, extra walls or partitions, Fire-stopping materials inside walls or other concealed spaces, or floors.
A. Rated Assembly
B. Shelter in place
C. Compartmenation systems
D. Fire wall
A. Compartmentation systems
Building construction 161
___ ___ - Assemblies of building components such as door, walls, roofs and other structural features that may be, because of the occupancy, required by code to have minimum fire-resistance rating from an independent testing agency.
A. Rated Assembly
B. Shelter in place
C. Compartmenation systems
D. Fire wall
A. Rated Assembly
Also called Labeled Assembly
Building contruction 162
Also known as defending-in-place. ____ is having occupants remaining in a structure of vehicle in order to provide protection from a rapidly approaching hazard. (Fire, hazardous gas cloud, etc…)
A. Rated Assembly
B. Shelter in place
C. Compartmenation systems
D. Fire wall
B. Shelter in Place
Building construction 162
___ ___-Fire-Rated wall with specified degree of fire resistance, built of fire-resistive materials and usually extended from the foundation up to and through the roof of a building, that is designed to limit the spread of fire within a structure or between adjacent structures.
A. Rated Assembly
B. Shelter in place
C. Compartmenation systems
D. Fire wall
D. Fire Wall
Building construction 163
When does building code typically allow elimination fo a fire wall?
A. No code exist
B. When it is an assembly
C. No walls are needed to hold fire
D. When a building is equipped with an automatic sprinkler system
D. When a building is equipped with an automatic sprinkler system
Building construction 164
Fire walls can be considered either ____ or ____.
A. Free or supported
B. Overly built or under built
C. Wood or paper
D. Freestanding walls, or as tied walls
D. Freestanding walls, or as tied walls
Freestanding walls are self-fupporting and are independent of the building fram. Freestanding walls are usually found in building of wood frame, or wood joisted masonry type III/V.
Freestanding walls must beable to support a lateral load of at leased 5 lb per square foot.
____ Fire walls are rected at a column line in a building of steel-frame or concrete frame construction.
A. Freestanding
B. Falling
C. Tied
D. Fire Resistant
C. Tied
___ ___ -Fire barrier that extends from one floor to the bottom of the floor above or the underside of a fire-rated ceiling assembly
A. Fire wall
B. Tied
C. Fire Partition
D. Shaft walls
C. Fire Partition
___ ___ Non-bearing exterior wall attached to the outside of a building with a rigid steel frame.
A. Glazing
B. Fire Wall
C. Fire Doors
D. Curtain walls
D. Curtain wall
What is a problem with Light shafts when it comes to firefighting?
A. They let natural light in.
B. They have limited protection
C. They act like an exterior vertical shaft
D. They have no effect on fire fighting.
C. They act like an exterior vertical shaft
Light shafts are designed to let in natural light and like other vertical shafts; they can serve as an avenue for the spread of fire
Chapter 5 building construction 167
__ __-Solid materials, such as wood blocks, used for prevent or limit the vertial and horizontal spread of fire and products of combustion in a hollow walls, or floors, above false ceilings, in penetrations of fire-rated assembly, or in cocklofts and crawl spaces.
A. Fire Curtain
B. Fire Stop
C. Fire Wall
D. Door stop
B. Fire Stop
___ ___- A specially constructed, tested and apporoved fire-rated door assembly designed and installed to prevent fire spread by automatically closing and covering a doorway in a fire wall during a fire to block the spread of fire through the door opening.
A. Fire Door
B. Fire Block
C. Fire Stop
D. Fire Partitions
A. Fire Door
Fire Doors are rated at 4, 3, 1 1/2, 1, 3/4, 1/2, hour doors and 20 minutes.
Which Fire Door rating openings in fire walls? (may not have an hourly rating)
A. Class A
B. Class B
C. Class C
D. Class D
E. Class E
A. Class A
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Which Fire Door rating opening in a vertical shaft and opening in 2-hour-rated partitions?
A. Class A
B. Class B
C. Class C
D. Class D
E. Class E
B. Class B
Class B Doors may be used in a combination roll as doors for a stair way.
171 Building contruction
Which Fire door opening between rooms and corridors having a fire resistance of an hour or less?
A. Class A
B. Class B
C. Class C
D. Class D
E. Class E
C. Class C
Which Fire Door opening in exterior walls subject to serve fire exposures from the outside of a building?
A. Class A
B. Class B
C. Class C
D. Class D
E. Class E
D. Class D
What Fire Door opening in exterior walls subject to moderate light exposure from the outside?
A. Class A
B. Class B
C. Class C
D. Class D
E. Class E
E. Class E
Which doors pose a risk to firefighers?
A. No Door
B. Wood Doors
C. Metal Doors
D. Overhead Doors
D. Overhead doors
Overhead doors can create a dangerous conditoin for firefighters who may not be able to see the door installation through heavy smoke. The springs may be heated and cause the door to close behind them.
Which metal covers are not used on wood horizontal sliding doors are?
A. Terneplate
B. Galvanized Sheet metal
C. Steel
D. Kalamein
D. Kalamein
Smooth galvanized sheet metal us used on wood core doors is known as kalamin doors.
Terneplate is a metal composed of tin and lead
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