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From Flashcardlet > Construction 5 > Flashcards

Construction 5 Flashcards

1
Q

The term ($$$$$) is generally applied to the materials used for the exposed face of walls and ceilings of a building.

A

Interior finish

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2
Q

The degree to which fire can spread over the surface of a material is technically referred to as the ($$$$$) of the material.

A

Surface burning characteristics

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3
Q

Materials with a Class A ($$$$$) rating are required in the vertical exits of most properties.

A

(0-25)

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4
Q

Materials with Class B ($$$$) ratings are required in corridors that provide exit access.

A

26-75

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5
Q

Class C materials ($$$$)

A

76-200

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6
Q

The rooms of health care and assembly occupancies will require either ($$$$) interior finish material.

A

Class A or B

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7
Q

The maximum flame spreading allowed is ($$$$)

A

200

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8
Q

The severity of a fire is determined by the fire load plus the rate at which the fuel burn. The faster the available fuel burns the greater will be the ($$$$$$)

A

Heat release rate

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9
Q

Katherine rate at which a fuel burns is determined by several factors. The most significant is the combination of the fuel and the available ($$$$)

A

Oxygen

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10
Q

The ($$$$) is the most common method for evaluating the surface burning characteristics of materials.

A

Steiner tunnel test

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11
Q

The Steiner tunnel test is frequently refers to as the tunnel test , but is formally identified as ($$$$$) ($$$$$)

A

ASTM STANDARD E85
UL753
NFPA 255

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12
Q

The tunnel used on the tunnel test consist of a horizontal furnace ($$$$) long . The interior of the furnace is ($$$$) wide and ($$$$) high

A

25 feet
17 5/8 inches
12 inches

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13
Q

Tunnel test
A gas burner located at one end of the tunnel produces a ($$$$) flame . The flame is adjusted to produce ($$$$) per minute. The test is continued for ($$$)

A

4 1/2 flame
5000 btu
Ten minutes

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14
Q

Asbestos cement board is assigned a flame spread rating of ($$$) and red oak is assigned a flame spread rating of ($$$)

A

0

100

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15
Q

The flame spree rating in the tunnel test is a means of comparing the ($$$$$) of a material.

A

Surface flammability

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16
Q

($$$$). Total amount of heat produced or released to the atmosphere from the convective lift fire phase of a fire per unit mass of fuel consumed per unit time.

A

Heat release rate HRR

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17
Q

($$$$). Numerical rating assigned to a material based of the spread and extent to which flame travel over its surface.

A

Flame spree rating

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18
Q

The flame spread rating developed in the tunnel test does not apply to ($$$)

A

Floor coverings

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19
Q

The ($$$$) is a measure of the relative visual obscurity created by smoke from a tested material.

A

Smoke developed rating

20
Q

($$$$) is used as a standard testing material and giving a rating of 100.

A

Red oak

21
Q

Codes limit the maximum smoke developed to ($$$$)

A

450

22
Q

($$$$). Ability of a substance to vaporize easily at a relatively low temperature.

A

Volatility

23
Q

The flame spread rating of some interior finishes an be reduced through the use of ($$$$) coatings

A

Fire retardant

24
Q

Several types of fire retardant coatings that may be available include

A

Intumescent paints
Mastics
Gas forming paints
Cementitous and mineral fiber coatings

25
Q

The ($$$$$) expand on exposure to heat to create a thick, puffy coating that insulates the wood surface from heat and excludes oxygen from the wood.

A

Intumescent paints

26
Q

The ($$$) coating forms a thick, non combustible coating over the surface of the wood.

A

Mastic

27
Q

($$$) any substance except plain water that is applied to another material or substance to reduce the flammability f fuels or slow the rate of combustion.

A

Fire retardant

28
Q

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

A

Corner test

29
Q

($$$$$) consists of equipment such as sprinkler systems or fire alarm system that require a power source for operation.

A

Active fire protection

30
Q

($$$$$) relies of building construction and materials to contain fire or products of combustion.

A

Passive fire protection

31
Q

The subdivision of a building or the floors of a building by fire rated walls or partitions is generally referred to as ($$$$$$).

A

Compartmentation

32
Q

Free standing walls must be able to resist a lateral load off at least ($$$$$) and self supporting in respect to vertical loads.

A

5 pounds per square foot

33
Q

A 4 hour firewall must be constructed of masonry or concrete and have ($$$$) rated openings.

A

3 hour

34
Q

The IBC also permits combustible structural material to be framed in to masonry or concrete wall from opposite sides provided that there is a ($$$$) separation between the ends of the structural members.

A

4 inch

35
Q

Fire walls must extend above walls and roofs to prevent the radiant heat of flames on one side of a fire wall from igniting adjacent surfaces. This is accomplished by continuing the firewall through the roof with a ($$$$$)

A

Parapet

36
Q

The parapet height above an combustible roof is determined by the building code and varies from ($$$$$)

A

18 to 36 inches

37
Q

($$$$) are interior wall used to subdivide a floor or area of a building that do not qualify as fire wall.

A

Fire partitions

38
Q

($$$$) fire barrier that extends from one floor to the bottom of the floor above or to the underside of a fire rated assembly

A

Fire partition

39
Q

Stairwell s for buildings three stories or less are required to have a ($$$$) enclosure. In buildings taller than three stories, they are required to have a ($$$$) enclosure.

A

1 hour

2 hour

40
Q

($$$$$) glass or thermoplastic panel in a window that allows light to pass.

A

Glazing

41
Q

($$$$) non bearing exterior wall attached to the outside of a building

A

Curtain wall

42
Q

The classification of fire doors are known as its ($$$$$) and is not to be confused with the fire resistance rating used to describe structural members.

A

Fire protection rating

43
Q

Fire door with ratings of 1, 1 1/2, and 3 hours can have glass panels up to ($$$$)

A

100 square inches

44
Q

Fire door with ratings up to 3/4 hours can have a total glass area consistent with there listing, but an individual piece can not exceed ($$$$$)

A

1296 square inches

45
Q

Fire doors with rating of ($$$$) hours can have ire rated glass up to the maximimum a rear to which they are tested

A

1/2 to 1/3 hour

46
Q

An automatic door is normally held ($$$$) and closes automatically under fire conditions when an operating device is activated.

A

Open

47
Q

A self closing door is usually ($$$$$) and will return to the closed position when it is opened and released.

A

Closed

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