Chpt 5

Question 1

Th term _____ is generally applied to the materials used for the exposed face of the walls and ceilings of a building

Answer 1

Interior finish

Question 2

The degree to which fire can spread over the surface of a material is technically referred to as the _____ of the material

Answer 2

Surface burning characteristics

Question 3

In order to control the potential hazard represented by interior finish materials, it is necessary to evaluate their ______

Answer 3

Source burning characteristics

Question 4

Materials with a Class A _____ are required in the vertical exits of most occupancies

Answer 4

Class A 0-25 rating

Question 5

Materials with an_____ rating are required in corridors that provide exit access

Answer 5

Class b 26-75

Question 6

May be required in other rooms and spaces depending on the occupancy. The rooms of health care and assembly occupancies, for example, will require either class a or class b interior finish materials

Answer 6

Class a,b, or c 76-200 rating

Question 7

Building codes generally allow an increase in the spread rating of interior finish materials in buildings equipped with an ______

Answer 7

Automatic sprinkler system

Question 8

The maximum flame spread rating allowed, however, is ____

Answer 8

200

Question 9

The ___ is a measure of the total fuel available to a fire and, therefore, the total heat that can be released in a fire

Answer 9

Fire load

Question 10

The severity of a fire is determined by the____ plus the rat at which the fuel burns

Answer 10

Fireload

Question 11

The faster the available fuel burn the greater will be the

Answer 11

Heat release rate HRR

Question 12

A greater heat release rate results in a

Answer 12

Faster developing fire

Question 13

The rate at which a fuel burns is determined by several factors. The most significant is the combination of the ____

Answer 13

Fuel and oxygen available

Question 14

The_______ is the most commonly used method for evaluating the surface burning characteristics of materials

Answer 14

Steiner tunnel test

Question 15

The tunnel test produces a numerical evaluation of the flammability of interior materials, which is known as the

Answer 15

Flame spread rating

Question 16

Asbestos cement board is assigned a flame spread rating of

Answer 16

0

Question 17

Red oak is assigned a flame spread rating of

Answer 17

100

Question 18

The _______ developed in the tunnel test is a means of comparing the surface flammability of a material to standard materials under controlled test conditions

Answer 18

Flame spread rating

Question 19

In addition to the flame spread rating, the tunnel test provides an additional measure of flammability: the______.

Answer 19

Smoke developed rating

Question 20

The ____ is a measure of the relative visual obscurity created by the smoke from a tested material

Answer 20

Smoke developed rating

Question 21

As with flame spread rating, red oak is used as a standard testing material and has been assigned a smoke develop rating of

Answer 21

100

Question 22

Therefore, under test conditions, a material with the smoke developed rating of 200 produces smoke that is twice as visually obscuring as

Answer 22

Red oak

Question 23

Codes limit the maximum smoke developed to

Answer 23

450

Question 24

The flame spread rating of some interior finishes, most notably wood materials, can be reduced through the use of

Answer 24

Fire retardant coating

Question 25

Fire retardant coatings only affect the

Answer 25

Coated surface

Question 26

Several types of fire retardant coatings that may be available include the following

Answer 26

Intumescent paints Mastics Gas forming paints Cement into us and mineral fiber coatings

Question 27

The _____ test procedure to measure the surface burning characteristics of materials is useful because it provides reproducible results and is a widely recognized standard

Answer 27

ASTM E 84 test

Question 28

Considerable effort has been made over the years to develop test procedures that incorporate the size and shape of real rooms. These methods are collectively known as

Answer 28

Corner tests

Question 29

Consist of equipment such as an automatic sprinkler system or fire alarm system that requires a power source for operation. The power source maybe manual, such as in the case with portable fire extinguishers.

Answer 29

Active fire protection

Question 30

Relies on building construction and materials to contain fire or products of combustion

Answer 30

Passive fire protection

Question 31

The subdivision of a building or the floor levels of a building by fire rated walls or partitions is generally referred to as

Answer 31

Compartmentation

Question 32

A lack of_____ can result in a rapid spread of fire horizontally and vertically through a building

Answer 32

Compartmentation

Question 33

The fire rated floor and ceiling assembly is required by building codes in multi story buildings provide not only structural fire resistance but also act to prevent

Answer 33

Vertical spread of fire

Question 34

Fire rated partitions can provide______ for occupants when immediate or rapid a evacuation is not possible, such as in a hospital

Answer 34

Areas of refuge

Question 35

This concept of providing an area of refuge is referred to as

Answer 35

Defending in place or sheltering in place

Question 36

Are erected to limit the maximum spread of fire

Answer 36

Fire walls or area separation walls

Question 37

They are constructed with sufficient fire resistance and structural stability to act as an absolute barrier to a fire under conditions of total burnout on either side

Answer 37

Fire walls

Question 38

Building codes typically allow elimination of firewalls when a building is equipped with an

Answer 38

Automatic sprinkler system

Question 39

A properly constructed and maintained______is an important ally to tactical fire fighting forces

Answer 39

Firewall

Question 40

Act to contain a major fire in situations where available fire fighting resources would otherwise be unable to stop a fire

Answer 40

Fire walls

Question 41

Are self-supporting and are independent of the building frame

Answer 41

Freestanding walls

Question 42

Must be designed to resist a lateral load of at least 5 pounds per square foot and are self supporting with respect to vertical loads

Answer 42

Freestanding walls

Question 43

Are erected at a column line in a building of steel frame or concrete frame construction

Answer 43

Tied fire walls

Question 44

A 4 hour rated firewall usually must be constructed of masonry or concrete and have

Answer 44

3 hour rated openings

Question 45

In most buildings firewalls must be constructed of

Answer 45

Noncombustible material

Question 46

The international building code also permits combustible structural members to be framed into a masonry or concrete firewall from opposite sides provided there is a____ separation between the ends of the structural members

Answer 46

4 inch

Question 47

Firewalls must extend beyond the walls and roof to prevent the radiant heat of flames on one side of a firewall from igniting adjacent surfaces. This is accomplished by continuing the firewall through the roof with a

Answer 47

Parapet

Question 48

The parapet height above a combustible roof is determined by the building code and varies from

Answer 48

18 to 36 inches

Question 49

Are interior walls are used to subdivide the floor or area of a building that do not qualify as firewalls

Answer 49

Fire partitions

Question 50

Can be used for fire partition where visibility is desired and a fire rating is required

Answer 50

Fire rated glazing

Question 51

A typical application is a corridor or separation in a healthcare facility that permits the staff to observe patients and still have a protected exit passage

Answer 51

Fire rated glazing

Question 52

The purpose of_______ is to block the vertical spread of fire through a building in, in the case of stairwells, to protect a means of egress

Answer 52

Enclosure walls

Question 53

Enclosure walls are required to have a fire resistance rating of_________depending on the height of the building

Answer 53

One or two hours

Question 54

Stairwells in buildings three stories or less, for example, are required to have a

Answer 54

1 hour enclosure

Question 55

In buildings taller than three stories, they are required to have

Answer 55

2 hour enclosures

Question 56

As in the case of partition walls, the use of _____ provides a fire barrier for permitting observation of the stair enclosure , which can enhance security

Answer 56

Fire rated glazing

Question 57

When the building is constructed using a structural frame for its main structural support, the exterior wall functions only to enclose the building and is known as a

Answer 57

Curtain wall

Question 58

Are usually supported by the building frame at the edge of the floor assembly

Answer 58

Curtain walls

Question 59

It is not unusual for a gap to be created between the edge of the floor in the curtainwall. This opening may be several inches wide and will provide a path for communication a fire up the side of the curtain wall. To prevent this occurrence, suitable_______ must be provided to maintain the continuity of the floor as a fire resistive barrier

Answer 59

Fire stopping

Question 60

The most common means for protecting openings through a fire rated walls by the use of

Answer 60

Fire doors

Question 61

For a fire door to effectively block the spread of fire, it must remain _____ to the firewall under fire conditions

Answer 61

Closed and attached

Question 62

Is a sheet of glass in which a steel wire net has been imbedded

Answer 62

Wired glass

Question 63

Fire doors good ratings of 1, 11/2 and 3hours can have glass panels up to _____ in area per door

Answer 63

100 square inches

Question 64

Fire doors with ratings of 3/4 hour can have a total glass area consistent with their listing, but an individual piece can not exceed ____.

Answer 64

1296 square inches

Question 65

It is also sometimes desirable to install____ in a fire door to permit ventilation while the door is closed, such as in the case of a furnace room enclosure.

Answer 65

Louvers

Question 66

Usually louvers are closed by means of a ____

Answer 66

Fusible link

Question 67

Swinging fire doors with ratings up to 11/2 hours can be equipped with

Answer 67

Louvers

Question 68

Firefighters advancing on a fire must use care when moving through an opening protected with _____ to avoid being struck by a closing door. In addition, a door that closes after firefighters have passed through it can trap firefighters in the fire area, cutting their escape path, restricting water through pinched hoselines, and disorienting members who do not realize the door came down across the corridor behind them.

Answer 68

Overhead rolling doors

Question 69

A common type of sliding door is a

Answer 69

Metal covered, wood core door

Question 70

Smooth galvanized sheet metal is used on wood core doors known as

Answer 70

Kalamien doors

Question 71

Fire doors made with galvanized steel or terneplate are commonly referred to as ____ doors although strictly speaking the metal used is not pure tin

Answer 71

Tin clad

Question 72

Swinging fire doors are available with ratings of

Answer 72

3 hours to 20 minutes

Question 73

The surface flammability of materials used for interior finish can be evaluated in a laboratory and is known as the

Answer 73

Flame spread rating