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Brannigan's Building Construction For The Fire Service > Chapter 11 - Noncombustible Construction > Flashcards

Chapter 11 - Noncombustible Construction Flashcards

1
Q

What is the main difference between non-combustible and fire resistive construction

A

The level of fire resistance to structural members.

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2
Q

Maximum height of non-combustible buildings

A

12 stories

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3
Q

The most prevalent material for non-combustible construction

A

Steel

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4
Q

Concrete in type II CONSTRUCTION IS LIMITED TO WHAT three AREAS

A

Exterior walls, shaft enclosures and fire rated floor assemblies

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5
Q

What is Steel’s modulus of elasticity

A

29 million psi

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6
Q

The compressive strength of steel is what to its tensile strength

A

Equal

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7
Q

It’s sheer strength is what to its tensile strength

A

3/4

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8
Q

Fire resistance is a function of what

A

Mass

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9
Q

Elongation of steel can take place at what temperature

A

1000° F

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10
Q

What temperature do steel members completely fail at

A

1300° F

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11
Q

Cold drawn steel will fail at about what temperature

A

800 degrees Fahrenheit

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12
Q

What is the most important way for heat to be removed

A

Keep being absorbed by contents or structural elements that will be ignited or cause to fail

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13
Q

What does water do if steel is failing

A

Freezes it in whatever shape it is currently in

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14
Q

What does the cooling effect of water do if steel is elongating

A

Draws it back to its original dimensions

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15
Q

A plate that is fewer than 6 in in width

A

Bar

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16
Q

What are used to construct bridges

A

Large box girders

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17
Q

What members are one solid piece of metal

A

Rolled.

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18
Q

Members made of different sections riveted bolted or welded together

A

Built up

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19
Q

What helps resist wind shear

A

Spandrel girder

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20
Q

A tube is most often used as what

A

Column

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21
Q

C-shaped steel member

A

Channels

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22
Q

CB shaped steel member

A

Castellated beans

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23
Q

L-shaped steel member

A

Angles

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24
Q

S-shaped steel member

A

America standard I-beam

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25
Q

WF shaped steel members

A

Wide flange beams and columns

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26
Q

WT shaped steel members

A

Structural tees

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27
Q

Which number refers to the depth of the member

A

First number

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28
Q

Which number refers to the weight of the member

A

Second number

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29
Q

In angles the first two numbers refer to what

A

The nominal depths of the two legs

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30
Q

In angle members the third number refers to what

A

Thickness of the legs

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31
Q

What type of building is built without steel

A

Fiberglass buildings that are invisible to electromagnetic radiation

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32
Q

Three important uses of steel as a building material

A

The strength of steel

The consistency of its structural characteristics

It’s ability to be connected to other structural elements

33
Q

The steel and type II buildings is almost universally

A

Unprotected

34
Q

In a rigid frame the column tapers how

A

Narrow at the base tapers to the widest point at the top

35
Q

Rigid frames can provide clear spans of about how many feet

A

100 ft

36
Q

If a y-shaped column is distorted by fire the area of the damage may be what

A

Doubled

37
Q

The better the building is tied together to resist wind load the more likely it is to what

A

Suffer progressive collapse due to fire distortion

38
Q

What type of structure is an arch

A

Compressive structure

39
Q

In a true trust arch the top and bottom chords are what

A

Both under compression

40
Q

Friable construction is used where what is a possibility

A

Explosion

41
Q

What material disintegrates rapidly in fire

A

Aluminum

42
Q

The most common walls for unprotected steel frame buildings are made of what

A

Concrete block or composite of concrete block and brick

43
Q

Usually masonry walls are what type of wall

A

Curtain

44
Q

What type of saw should you cut a metal panel wall with

A

Circular saw

45
Q

What is the distance between the top of one window and the bottom of the one above

A

Spandrel space

46
Q

In tilt up Construction a roof of what is most common

A

Steel joists

47
Q

Adequate fireproofing for steel is more important in what type of building then conventional

A

Plastic designed building

48
Q

Still will expand what percent in length for each 100° F rise in temperature

A

0.06 to 0.07 percent

49
Q

What type of force does steel exert against a structure that restrains it

A

Lateral

50
Q

The lateral thrust against the wall is minimized how

A

In hot fast fires failure temperatures are reached rapidly

51
Q

ASTM e-119 reaches 1000° and how many minutes

A

5 minutes

52
Q

NIST basement room fire reached what temperature in 5 minutes

A

1500° F

53
Q

What temperature does the column fail at in standard fire test of fireproofing steel

A

1200° F at one point or 1000° F average

54
Q

What is the principal variable of the steel unit

A

Weight or mass of the steel unit

55
Q

How quickly do bar joists generally fail in standard fire test

A

7 minutes

56
Q

What are the two type of dynamic fire protection

A

Protect the steel with sprinklers

Protect the steel with an internal water cooling system

57
Q

What is the term used to designate buildings of greater than usual height from floor to ceiling

A

One high story

58
Q

Rakers are loaded how making them subject early to failure

A

Twice the load permitted

59
Q

What if what type of wall is substituted for exterior columns the building is wall bearing

A

Masonry bearing

60
Q

What are the three classes of calculated risks

A

Financial or economic

Engineering

Forget it

61
Q

What distance above the floor do roofs in steel buildings not require protection

A

Usually about 20 to 30 ft

62
Q

What roofs consist of metal sheets laid over steel bar joists

A

Metal deck roofs

63
Q

What is the adhesive and moisture stopping barrier in metal deck roots

A

Bituminous (asphalt) coding

64
Q

What temperature that occurs below a combustible metal deck causes the deck to heat up

A

800° F for 5 minutes

65
Q

What type of roof should be installed over a high value installation

A

Non-combustible

66
Q

What is the only way a fire involving a metal deck roof can be controlled

A

Continuous application of water to the underside of the roof

67
Q

Unprotected steel structures can be extremely hazardous because of the potential for what

A

Early collapse

68
Q

What structural member should be given special attention when cooling steel

A

Columns

69
Q

Dynamic protection is accomplished with what

A

Automatic sprinkler systems

70
Q

What has been the fuel for a number of fires that destroyed sprinklered steel buildings

A

Rolled paper

71
Q

What are two types of passive fire protection

A

Spray it on fireproofing

Membrane protection

72
Q

What are two types of ways sprayed on protection can be removed

A

Mechanics accomplishing other work

Washed away by hose streams

73
Q

The radiant energy of a fire is proportional to what power of the absolute temperature

A

4th power

74
Q

Absolute temperature

A

Thermometer reading in degrees Kelvin + 459

75
Q

What is used to contain a flammable liquid spill

A

Foam

76
Q

What type of stress may be created by the distortion of steel due to fire

A

Torsional

77
Q

A two and a half inch hose line can easily throw a horizontal stream for more than how many feet

A

80 ft

78
Q

You cannot cut off a metal deck roof fire by implementing what

A

Vertical ventilation

79
Q

What is the only way of stopping a rubber roof fire

A

Aerial master stream

Brannigan's Building Construction For The Fire Service (13 decks)

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