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 (5)

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 factor 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

4 Types of fire retardant coatings

Answer 5

intumescent coatings

Mastics

Gas forming paints

Cementitious and mineral fiber coatings

Question 6

intumescent paints when exposed to heat

Answer 6

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

Question 7

Mastic coating when exposed to heat

Answer 7

form a thick non combustible coating over the surface of the wood

Question 8

the standard test used to measuring the surface burning characteristics of interior finish materials is referred to as (3)

Answer 8

ASTM E 84 UL 723

The steiner tunnel test

The tunnel test

Question 9

Buildings codes may allow a higher flame spread rating when

Answer 9

the building is also equipped with an automatic sprinkler system

Question 10

Flame spread ratings over 200 are

Answer 10

Not permitted in occupancies per code

Question 11

Smoke developed rating is

Answer 11

a measure of the relative visual obscurity in an area because of the smoke generated by a burning material

Question 12

Codes do not allow a combination of materials that exceed the maximum smoke developed rating of

Answer 12

450

Question 13

NFPA 265 is

Answer 13

test for evaluating the fire performance of wall textile coverings

Question 14

Fire walls are

Answer 14

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

Question 15

Fire walls must have

Answer 15

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 16

parapet height above a combustible roof varies from

Answer 16

18 to 36 inches

Question 17

The Purpose of enclosure walls is

Answer 17

To block the vertical spread of fire through buildings openings

Question 18

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

Answer 18

1 hour

Question 19

Fire rating for enclosure walls inbuilding four stories or greater is

Answer 19

2 hour

Question 20

Curtain wall serve the following 4 functions

Answer 20

Resist environmental loads

Control heat loss

Limit noise transmission

Limit solar radiation

Question 21

the 1/2 hour and 1/3 hour fire door are

Answer 21

Primarily used in smoke barriers and openings to corridors

Question 22

Class A fire door

Answer 22

Openings in fire walls

Question 23

Class B fire door

Answer 23

Openings in veritcal shafts and openings in 2 hour rated partitions

Question 24

Class C fire door

Answer 24

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

Question 25

Class D fire door

Answer 25

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

Question 26

Class E fire door

Answer 26

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

Question 27

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

Answer 27

Releasing device

Speed governor

Counterbalance mechanism

Wall guides

Question 28

Rolling overhead doors are install in 4 locations

Answer 28

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 29

Other types of special purpose fire doors are

Answer 29

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

Question 30

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

Answer 30

100 square inches

Question 31

Parameters for the primary criterion for acceptability is

Answer 31

Some warping of the door is permitted

Intermittent passage of flames is permitted after the first 30 minutes of the test

surface temperature rise is not regulated on the unexposed side of the door for most of the doors tested in fact metal doors may glow red from the heat of the test fire

Question 32

Fire doors that pass testing process are marked

Answer 32

with a label or plate on the top or on the hinge side of the door that indicates information including door type, hourly rating, identifying symbol of the testing laboratory