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Building Construction > Chapter 9: Noncombustible Construction > Flashcards

Chapter 9: Noncombustible Construction Flashcards

1
Q 
1:  What is the prevalent material of choice for noncombustible buildings? 
 A: Reinforced concrete 
 B: Steel 
 C: Concrete 
 D: Masonry
A

B: Steel

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2
Q

2: Which of the following would be the most important “heat” to be removed from a building?
A: Heat leaving the structure
B: Heat being evolved from contents that are burning
C: Heat being absorbed by contents or structural elements that will be ignited or caused to fail
D: Radiant heat

A

C: Heat being absorbed by contents or structural elements that will be ignited or caused to fail

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3
Q 
3:  What is the fire departments heat removal medium? 
 A: Prefire planning 
 B: Fire detection systems 
 C: Sprinkler system 
 D: Water
A

D: Water

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4
Q 
4:  Bars can be made in which of the following shapes? 
 A: Plates 
 B: Square 
 C: Round 
 D: All of the above
A

D: All of the above

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5
Q 
5:  Which of the following is not a common wall material found in steel-framed buildings? 
 A: Matched lumber 
 B: Cement-asbestos board 
 C: Aluminum 
 D: Masonry walls
A

A: Matched lumber

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6
Q 
6:  Which of the following materials is noncombustible, but has a low melting point and little mass per unit of area?  
 A: Matched lumber 
 B: Cement-asbestos board 
 C: Aluminum 
 D: Masonry
A

C: Aluminum

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7
Q 
7:  The lighter the steel, the less\_\_\_\_\_\_\_\_\_\_\_\_\_\_. 
 A: combustibility 
 B: fire resistance 
 C: durability 
 D: resilience
A

B: fire resistance

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8
Q 
8:  What is a principal variable in terms of how fast the fire temperature is achieved in steel? 
 A: The weight of the steel unit 
 B: The mass of the steel unit 
 C: The conductivity of the steel unit 
 D: Both A and B
A

D: Both A and B

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9
Q 
9:  A bar joist will generally fail within how many minutes if exposed to fire? 
 A: 4 
 B: 5 
 C: 7 
 D: 9
A

C: 7

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10
Q 
10:  In what year did the McCormick Place fire occur? 
 A: 1947 
 B: 1956 
 C: 1967 
 D: 1976
A

C: 1967

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11
Q 
MATCHING
Beams set at right angles to trusses or roof rafters to provide support
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Purlins
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12
Q 
MATCHING
Embedded into the surface
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. peened
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13
Q 
MATCHING
Void space made by utilizing deep parallel-chord trusses
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Interstitial space
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14
Q 
MATCHING
Members with a Z-shaped cross section
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Zee
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15
Q 
MATCHING
A tee where the end of a cutoff is thickened
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Bulb
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16
Q 
MATCHING
Upright partition that divides a ship into compartments
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Bulkhead
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17
Q 
MATCHING
A horizontal beam that ties rows of soldier beams together
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Waler
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18
Q 
MATCHING
Diagonal columns that brace an entire structure
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Rakers
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19
Q 
MATCHING
Steel structural member rolled in cylindrical shapes
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Tube
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20
Q 
MATCHING
Forms a long-span system used as floor supports
1. Bar Joist
2. Bulb
3. Bulkhead
4. Interstitial space
5. peened
6. Purlins
7. Rakers
8. Tube
9. Waler
10. Zee
A
  1. Bar Joist
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21
Q 
MULTIPLE CHOICE
Steel's compressive strength is \_\_\_\_\_\_\_ its tensile strength.
A. greater than
B. less than
C. equal to
D. not related to
A

C. equal to

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22
Q 
MULTIPLE CHOICE
Steel tendons used for tensioned concrete can fail at what temperature?
A. 500 degrees F
B. 700 degrees F
C. 800 degrees F
D. 900 degrees F
A

C. 800 degrees F

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23
Q 
MULTIPLE CHOICE
Atria roofs above \_\_\_\_\_\_\_\_\_ fet may be given an exemptionfrom protection of the steel.
A. 40
B. 55
C. 75
D. 90
A

B. 55

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24
Q 
MULTIPLE CHOICE
Water supplies for spray systems designed to protect steel supports for flammable liquid fires are calculated on a requirement of \_\_\_\_\_\_\_\_\_\_\_\_\_\_ gallon(s) per minute.
A. 0.25
B. 0.5
C. 0.75
D. 1
A

A. 0.25

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25
Q 
MULTIPLE CHOICE
Rigid frames can provide clear spans of about \_\_\_\_\_\_\_ feet.
A. 100
B. 125
C.150
D. 175
A

A. 100

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26
Q 
MULTIPLE CHOICE
Which material is noncombustible but disintegrates rapidly in a fire?
A. Aluminum
B. Glass-fiber reinforced plastics
C. Cement asbestos board
D. Steel
A

A. Aluminum

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27
Q

MULTIPLE CHOICE
All of the following are characteristics of steel, EXCEPT:
A. consistency of its structural characteristics
B. strength
C. inability to elongate
D. ability to be connected to other structural elements

A

C. inability to elongate

28
Q 
MULTIPLE CHOICE
All of the following are types of girders, EXCEPT:
A. box girder
B. lattice girder
C. spandrel girder
D. plate girder
A

B. lattice girder

29
Q 
MULTIPLE CHOICE
Buildings in which the roof holds the tilt-up concrete wall panels in place are an example of which type of construction?
A. High-rise framing construction
B. Ordinary construction
C. Prefabricated construction
D. Tilt-slab construction
A

D. Tilt-slab construction

30
Q 
MULTIPLE CHOICE
Steel expands from 0.06 to 0.07 percent in length for each \_\_\_\_\_\_\_\_ rise in temperature.
A. 1 degree F
B. 10 degrees F
C. 100 degrees F
D. 1000 degrees F
A

C. 100 degrees F

31
Q

FILL-IN-THE-BLANK

Elongating steel exerts a/an ______ force against the structurethat restrains it.

32
Q

FILL-IN-THE-BLANK
The better a building is tied together to resist wind load, the more likely it is to suffer ________collapse due to fire distortion.

A

progressive

33
Q

FILL-IN-THE-BLANK

Interstitial space comes from a/an _______ term.

34
Q

FILL-IN-THE-BLANK

Cement-asbestos board is typically used for ______ construction.

35
Q

FILL-IN-THE-BLANK

Aluminum has a/an ________melting point.

36
Q

FILL-IN-THE-BLANK

During a fire, the steel structure in a building should be kept _______.

37
Q

FILL-IN-THE-BLANK

The weight of steel sections is usually given per running _________.

38
Q

FILL-IN-THE-BLANK

Very deep parallel-chord trusses have been used as ________ beams in hospitals.

39
Q

FILL-IN-THE-BLANK

To achieve a/an ________ roof, the framing may consists of columns and beams with triangular trusses.

40
Q

FILL-IN-THE-BLANK
Because of the requirement for underground parking, building excavations are being made much ________ than in previous years.

41
Q

TRUE/FALSE

Non-combustible construction has moderate to heavy fire resistance.

42
Q

TRUE/FALSE

The modulus of elasticity is high on steel.

43
Q

TRUE/FALSE

Steel is a bad thermal conductor.

44
Q

TRUE/FALSE

Today’s high-rise construction commomly uses glass and metal panels.

45
Q

TRUE/FALSE

Grease fires in ducts often extend to the structure by conduction

46
Q

TRUE/FALSE

Unprotected steel structures do not have a potential for early collapse.

47
Q

TRUE/FALSE

A metal-deck roof fire can sometimes be fought from the underside.

48
Q

TRUE/FALSE
Buildings with steel units tied together may undergo torsional or eccentric loads during a fire that exceed their capacity.

49
Q

TRUE/FALSE

A small mass of steel can carry heavy loads.

50
Q

TRUE/FALSE

The method of wind bracing in a building is a serious concern to fire fighters after the building is completed.

51
Q

SHORT ANSWER

What are the three classes of calculated risks outlined in the text?

A

All of the following
. Financial or economic
. Engineering
. Forget it

52
Q

SHORT ANSWER

Steel buildings can be broken down into four types of protection; what are they?

A 
All of the following:
. Unprotected
. Dynamically protected
. Passively protected
. Passive/dynamic combination protection
53
Q

SHORT ANSWER

What methods can be used to protect steel?

A

Membrane protection and sprayed-on fireproofing

54
Q

SHORT ANSWER

What is the main difference between nonconbustible and fire-resistive construction?

A

The level of fire resistance (fire rating) assigned to the structural frame. walls, floors, and roof

55
Q

SHORT ANSWER

What are the benefits of using steel in building construction?

A

Any of the following:
. Strength
. Wide availability
. Inexpensive cost

56
Q

WORD FUN

A standard I-beam cut lengthwise through the web

57
Q

WORD FUN

A piece of steel that has two legs at right angles

58
Q

WORD FUN

A steel structural component that has a square U-shaped cross section

59
Q

WORD FUN

Plates less than 6 inches in width

60
Q

WORD FUN

A column made of vertical units connected with diagonal pieces

61
Q

WORD FUN

Flat pieces of steel

62
Q

WORD FUN

A type of beam used to laterally relocate the vertical load of columns to clear an opening area

63
Q

WORD FUN

Type of girder that will tie wall columns together in a framed building

64
Q

WORD FUN

A lightweight material that is both malleable and nonmagnetic

65
Q

WORD FUN

To evaluate and categorize

66
Q

READ EACH SCENARIO, THEN ANSWER EACH QUESTION IN DETAIL
A building has been built of steel bar joists, metal roof deck, and masonry walls. A local businessperson is purposing to put a furniture store into the building. What concerns should be noted in the prefire plan related to the steel in this building?

A

The contents of the building can dramatically affect the structure. It should be noted how the underside of the roof could be reached with hose streams to minimize heat damage to the joists. Special attention should be directed at the building content height as well as the general height of the building. These factors could influence the amount of time it takes for the building to collapse or become heavily involved in a fire that prevents the steel from being cooled by heavy streams.

67
Q

READ EACH SCENARIO, THEN ANSWER EACH QUESTION IN DETAIL
A steel building is under construction when it catches fire on a windy day. What special considerations does this situation pose?

A

The temporary bracing should be examined closely. It is impossible to make all of the connections as soon as steel is placed. Temporay bolts are placed in rivet holes; thereafter, rivets are driven in the remaining holes, then the bolts are replaced with rivets, or permanent bolts. This practice is known as”field bolting”, and it is good to give a wide berth to field-bolted structures during high winds.

Building Construction (12 decks)

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