(Building Construction) Chapter 5 Fire Behavior and Building Construction

Question 1

____ 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

Answer 1

C. Interior Finish
International community uses the ter Interior lining instead of interior finish.

Question 2

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

Answer 2

B. Surface buring characteristic

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Question 3

The maximum flame spread rating allowed is?
A. 25
B. 75
C. 200
D. None of the above

Answer 3

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

Question 4

____ 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

Answer 4

B. (HRR) Heat Release Rate

Question 5

____ 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

Answer 5

A. Flame Spread Rating
other names or references to flame spread rating. Tunnel Test or Steiner Tunnel Test
UL 753 and NFPA 225

Question 6

____ 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

Answer 6

C. Fire Load

Question 7

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

Answer 7

A. Smoke

Question 8

____ 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

Answer 8

D. Toxicity, Volatility

Question 9

____ 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

Answer 9

D. Fire Retardant
Ex. Intumescent paints, Mastics, Gas-Forming Paints, Cementitious and mineral fiber coating

Question 10

____ 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

Answer 10

A. Intumescent

Question 11

____ coating forms a thick, non combustible coating over the surface of the wood
A. Paint
B. Mastic
C. Intumescent
D. Stain

Answer 11

B. Mastic

Question 12

____ 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

Answer 12

A. Active

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Question 13

____ 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

Answer 13

B. Passive

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Question 14

______ ______- 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

Answer 14

A. Compartmentation systems

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Question 15

___ ___ - 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

Answer 15

A. Rated Assembly
Also called Labeled Assembly

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Question 16

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

Answer 16

B. Shelter in Place

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Question 17

___ ___-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

Answer 17

D. Fire Wall

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Question 18

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

Answer 18

D. When a building is equipped with an automatic sprinkler system

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Question 19

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

Answer 19

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.

Question 20

____ 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

Answer 20

C. Tied

Question 21

___ ___ -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

Answer 21

C. Fire Partition

Question 22

___ ___ 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

Answer 22

D. Curtain wall

Question 23

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.

Answer 23

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

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Question 24

__ __-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

Answer 24

B. Fire Stop

Question 25

___ ___- 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

Answer 25

A. Fire Door
Fire Doors are rated at 4, 3, 1 1/2, 1, 3/4, 1/2, hour doors and 20 minutes.

Question 26

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

Answer 26

A. Class A

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Question 27

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

Answer 27

B. Class B
Class B Doors may be used in a combination roll as doors for a stair way.

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Question 27

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

Answer 27

C. Class C

Question 28

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

Answer 28

D. Class D

Question 29

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

Answer 29

E. Class E

Question 30

Which doors pose a risk to firefighers?
A. No Door
B. Wood Doors
C. Metal Doors
D. Overhead Doors

Answer 30

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.

Question 31

Which metal covers are not used on wood horizontal sliding doors are?
A. Terneplate
B. Galvanized Sheet metal
C. Steel
D. Kalamein

Answer 31

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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