Chapter 12: Collapse Flashcards Preview

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Flashcards in Chapter 12: Collapse Deck (20)
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1

1: How tall was the South Tower of the World Trade Center?
A: 1248 feet
B: 1362 feet
C: 1368 feet
D: 1374 feet

B: 1362 feet

2

2: Which of the following was not one of the four major structural components that compromised the World Trade Center buildings?
A: The exterior walls
B: The interior walls
C: Columns within the center core
D: Hat truss

B: The interior walls

3

3: Where did the aircraft impact the North Tower of the World Trade Center on September 11, 2001?
A: Between floors 85 and 89
B: Between floors 93 and 99
C: At floor 86
D: At floor 94

B: Between floors 93 and 99

4


4: How many center core columns were stripped of fireproofing in the North Tower of the World Trade Center during the 2001 terrorist attacks?
A: 27
B: 35
C: 43
D: 54

C: 43

5

5: How many center core columns were destroyed in the South Tower of the World Trade Center during the terrorist attacks?
A: 10
B: 19
C: 24
D: 32

A: 10

6

MATCHING
Type of collapse that occurs after initial collapse
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

4. Secondary

7

MATCHING
Type of collapse in which the floor of a building collapses and one end of the floor is still supported, creating a triangular void space
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent

6. Lean-to-floor

8

MATCHING
Type of collapse involving the complete failure of the building
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

1. Global

9

MATCHING
Type of collapse in which a relatively small area of structural damage results in a loss of localized load-carrying capability
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

3. Progressive

10

MATCHING
Type of collapse in which one end of the collapsed floor is supported by an interior wall, creating two void spaces
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

9. Tent

11

MATCHING
Type of collaps in which the floor falls near its center, with the perimeter of the floor still partially supported by walls
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

7. V-shaped

12

MATCHING
Type of collapse in which one end of the floor is supported while the other is not
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

8. Cantilever

13

MATCHING
Type of collapse resulting from a failure of the portion of the building
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

2. Partial

14

MATCHING
Type of collapse limited to wood-frame structures
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

10. Lean over

15

MATCHING
Type of collapse in which the building's floors stack on top of each other
1. Global
2. Partial
3. Progressive
4. Secondary
5. Pancake
6. Lean-to-floor
7. V-shaped
8. Cantilever
9. Tent
10. Lean over

5. Pancake

16

MULTIPLE CHOICE
Which of the following has the greatest potential to kill large numbers of fire fighters in one incident?
A. Heart attack
B. Collapse
C. Smoke Inhalation
D. Falls

B. Collapse

17

MULTIPLE CHOICE
Who is responsible for anticipating a collapse?
A. Incident commander
B. Operations chief
C. Safety officer
D. All of the above

D. All of the above

18

MULTIPLE CHOICE
In which of the following types of collapse do the walls fall straight down?
A. Curtain fall wall collapse
B. Inward outward collapse
C. Lean-to floor collapse
D. 90-degree wall collapse

A. Curtain fall wall collapse

19

MULTIPLE CHOICE
In which of the following types of collapse do the exterior walls fall horizontally?
A. Curtain fall wall collapse
B. Inward outward collapse
C. Lean-to floor collapse
D. 90-degree wall collapse

B. Inward outward collapse

20

MULTIPLE CHOICE
Collapse zones are generally what distance from a wall?
A. one-third the height of the wall
B. One-half the height of the wall
C. The height of the wall
D. Twice the height of the wall

C. The height of the wall