Chapter 5

Question 1

Interior finishes may be classified as trim if they meet the following 3 conditions

Answer 1

Do not exceed 10 percent of the wall and ceiling area

Distributed through the space

Do not constitute a large continuous surface

Question 2

Flame Spread can be measured and predicted in degrees when valuating the following (4)

Answer 2

Composition orientation and thickness of material

Ventilation

Shape and size of compartment

Finish Material on the ceiling or wall

Question 3

the most significant 2 factors that determines a fuels burn rate is

Answer 3

The combination of fuel and available oxygen

Question 4

Building codes usually exclude reference to surface treatments such as paint and wallpapers when

Answer 4

they are no thicker then 1/28 inch

Question 5

Building codes generally allow a increase to the flame spread rating of interior finish materials to building when equipped with what

Answer 5

Automatic sprinkler system

Question 6

Building codes usually exclude reference to a surface treatments such as paints and wallpaper that are no thicker than what

Answer 6

1/28 inch thick

Question 7

The flame spread rating of some interior fishes most notably wood materials can be reduced through the use of properly applied what

Answer 7

Fire Retardant coatings

Question 8

4 Types of fire retardant coatings

Answer 8

intumescent coatings

Mastics

Gas forming paints

Cementitious and mineral fiber coatings

Question 9

intumescent paints when exposed to heat

Answer 9

Create thick puffy coating that insulates the wood surface from heat and excludes oxygen from the wood

Question 10

Mastic coatings when exposed to heat

Answer 10

Form a thick non-combustible coating over the surface of the wood.

Question 11

Many code officials do not accept fire retardant treatments for permanent applications due to what

Answer 11

many Variables of applications maintenance and misuse

Question 12

Ceilings serve the 3 following functions

Answer 12

Aesthetic concealment of building utilities including piping and wiring

Improved control of light diffusion and air circulation

Change in interior decor when added to older buildings

Question 13

What is a series of barriers designed to keep flames, smoke, and heat from spreading between spaces

Answer 13

Compartmentation

Question 14

The concept of providing and using a area of refuge is referred to what

Answer 14

Defending or sheltering in place

Question 15

Fire walls do what

Answer 15

Subdivide a building into smaller areas to limit the maximum spread of fire

Question 16

Fire walls must have

Answer 16

Sufficient fire resistance and structural stability to serve as an absolute barrier to a fire and structural collapse on either ide of the wall

Question 17

Fire walls must what

Answer 17

Extend beyond walls and roofs to prevent the radiant heat of flames on one side of a fire wall from igniting adjacent surfaces

Question 18

parapet height above a combustible roof varies from

Answer 18

18 to 36 inches

Question 19

A 4 hour rated firewall must be constructed of what

Answer 19

Masonry or concrete

Question 20

Fire walls are unpopular with designers for what 3 reasons

Answer 20

Increase structural costs

May interfere with the free movement of occupants or material

Architecturally unattractive in occupancies where an expansive interior is desired

Question 21

to allow rated construction to take the place of the clearance space to prevent fire spread from on structure to an adjacent exposure how close must it be

Answer 21

18 inches

Question 22

Building codes typically allow elimination of fire walls when a building is equipped with what

Answer 22

Automatic sprinkler system if it meets criteria for occupancy height, water flow during fire conditions and other code requirements.

Question 23

Fire barrier that extends from one floor to the bottom of the floor above or to the underside of a fire rated ceiling assembly and provides a lower level of protection than a fire wall

Answer 23

Fire Partitions

Question 24

The Purpose of enclosure walls is

Answer 24

To block the vertical spread of fire through buildings openings

Question 25

fire rating for enclosure walls in building four stories or lower is

Answer 25

1 hour

Question 26

Fire rating for enclosure walls in building four stories or greater is

Answer 26

2 hour

Question 27

Nonloadbearing exterior wall attached to the outside of a building with a rigid steel frame. Usually the front exterior wall of a building intended to provide a certain appearance

Answer 27

Curtain Wall

Question 28

Some curtain wall assemblies are non combustible but have no fire resistance such as those made of what

Answer 28

Aluminum and Glass

Question 29

Curtain wall serve the following 4 functions

Answer 29

Resist environmental loads Control heat loss Limit noise transmission Limit solar radiation

Question 30

the 1/2 hour and 1/3 hour fire door are primarily used for what

Answer 30

Primarily used in smoke barriers and openings to corridors

Question 31

Codes typically require 3 or 4 hour rated doors in fire walls of greater that what hour rating

Answer 31

2 hour rating

Question 32

Door rated 1 1/2 hours are normally required for what hour rated vertical enclosure

Answer 32

2 hour rated

Question 33

1 hour doors are used for

Answer 33

1 hour vertical shaft enclosures and exit enclosures

Question 34

Class A fire door

Answer 34

Openings in fire walls

Question 35

Class B fire door

Answer 35

Openings in veritcal shafts and openings in 2 hour rated partitions

Question 36

Class C fire door

Answer 36

Openings between rooms and corridors having a fire resistance of 1 hour or less

Question 37

Class D fire door

Answer 37

Openings in exterior walls subject to severe fire exposure from the outside of a building

Question 38

Class E fire door

Answer 38

Openings in exterior walls subject to moderate or light exposure form the outside

Question 39

A 4 hour wall may be allow to have 2 what hour rating doors to protect a opening

Answer 39

3 hour doors

Question 40

Rolling overhead doors are constructed of interlocking steel slates with other operating components (4)

Answer 40

Releasing device Speed governor Counterbalance mechanism Wall guides

Question 41

Rolling overhead doors are install in 4 locations

Answer 41

A long corridors to protect convenience openings To protect an opening in a fire wall in a industrial occupancy on one or both sides of a wall opening at an opening in a wall that separates buildings

Question 42

Horizontal sliding fire doors are often found in what buildings

Answer 42

older industrial buildings

Question 43

What fire style of fire door commonly protect stairwell enclosures and corridors and are available with rating from 20 minutes to 3 hour

Answer 43

Swinging fire doors

Question 44

Other types of special purpose fire doors are

Answer 44

Horizontally sliding accordion or folding doors both doors are driven and require electrical power for operation

Question 45

Glass or thermoplastic panel in a wall or other barrier that allows light to pass through

Answer 45

Glazing

Question 46

what was the first type of fire rated glazing

Answer 46

Wired Glass

Question 47

modern fire rated glazing does not include what

Answer 47

embedded steel wire

Question 48

NFPA 80 requires what on glazing

Answer 48

that each piece of glazing installed in a fire door include a listing mark that remains visible after installation

Question 49

Fire door with ratings of 1-3 hours can have glass panels up to

Answer 49

100 square inches