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Flashcards in Chapter 10: Fire Resistive Construction Deck (67)
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1


1: Concrete is weak in tensile strength but high in________.
A: torsion strength
B: compressive strength
C: potency
D: in all of the above

B: compressive strength

2


2: As which type of material is concrete classified?
A: Cement
B: Bolster
C: Composite
D: Fused

C: Composite

3

3: Which type of concrete construction includes plain concrete, reinforced concrete, and post-tensioned concrete?
A: Cast-in-place concrete
B: Precast concrete
C: Lift slab construction
D: Flat plates

A: Cast-in-place concrete

4

4: Precast concrete includes which of the following?
A: Plain concrete
B: Reinforced concrete
C: Pretensioned concrete
D: All of the above

D: All of the above

5

5: Which of the following is used to connect the ends of rods placed in columns and transfers the load?
A: Sleeves
B: Reinforced overlaps
C: Welding
D: Any of the above

D: Any of the above

6

6: Waffle concrete would be considered a_______________.
A: one-way structural system
B: two-way structural system
C: three-way structural system
D: four-way structural system

B: two-way structural system

7

7: Which of the following would be considered the major disadvantage of concrete?
A: Its ability to spall
B: Its cost
C: Its weight
D: Its compressive strength

C: Its weight

8

8: Which of the following would be an indication that a building is in distress?
A: Deteriorated concrete
B: Spalling that exposes reinforcing rods
C: Cracks in concrete that can admit corrosive moisture to the reinforcing rods
D: Any of the above

D: Any of the above

9


9: Which of the following does not react negatively with concrete?
A: Chlorine
B: Breeze
C: Aluminum
D: Salt

B: Breeze

10

10: In the Los Angeles Central Library fire, there was an estimated 93 pounds of fuel per square foot. This would be equivalent of about how many hours of fire exposure to the standard fire curve?
A: 4
B: 6
C: 9
D: 11

D: 11

11

MATCHING
Buildings in which different load-bearing naterials are used in different areas of the building
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

4. Composite construction

12

MATCHING
Temporary shoring, formwork, or lateral bracing to support concrete work in construction
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

5. Falsework

13

MATCHING
Variety of materials added to a cement mixer to make concrete
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

1. Aggregate

14

MATCHING
Thick concrete pads that transfer loads of piers or columns to the ground
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

6. Footing

15

MATCHING
Concrete molded in the location where it is expected to remain
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

2. Cast-in-place concrete

16

MATCHING
Shores that are put back into concrete to help carry the load of curing concrete
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

9. Reshoring

17

MATCHING
Devices designed to keep the rods up off the surface of the form
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

3. Chairs

18

MATCHING
Tiles shaped to fit around steel
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

10. Skewback

19

MATCHING
Planks on which formwork shores rest
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

8. Midsill

20

MATCHING
Steel pipes filled with concrete
1. Aggregate
2. Cast-in-place concrete
3. Chairs
4. Composite construction
5. Falsework
6. Footing
7. Lally column
8. Midsill
9. Reshoring
10. Skewback

7. Lally column

21

MULTIPLE CHOICE
Which of the following is a characteristic of concrete?
A. Strong in compression
B. Weak in shear
C. No tensile strength
D. All of the above

A. Strong in compression

22

MULTIPLE CHOICE
Steel is significantly more _______ than concrete.
A. costly
B. prevalent
C. strong (compressive strength)
D. all of the above

C. strong (compressive strength)

23

MULTIPLE CHOICE
High-tensile strength wire loses its pre-stress at what temperature?
A. 800 degress F
B. 850 degrees F
C. 900 degrees F
D. 1000 degrees F

A. 800 degress F

24

MULTIPLE CHOICE
Brick veneer buildings are generally kept to a maximum of __________ stories,
A. 3
B. 4
C. 5
D. 6

D. 6

25

MULTIPLE CHOICE
Formwork can represent what percent of the cost of a concrete structure?
A. 0.06%
B. 0.6%
C. 6%
D. 60%

D. 60%

26

MULTIPLE CHOICE
The most dangerous fire potential in a concrete construction site is:
A. arson
B heating
C. temporary electricl lines
D. formwork

B heating

27

MULTIPLE CHOICE
Telescoping tublar steel braces are called:
A. tormentors
B. rakers
C. brakers
D. tendons

A. tormentors

28

MULTIPLE CHOICE
Compared to conventional reinforced concrete, post-tensioned concrete presents __________ catastrophic collapse hazard during a fire.
A. less
B. a greater
C. an equal
D. none of the above

B. a greater

29

MULTIPLE CHOICE
Which of the following provides diagonal bracing in precast buildings?
A. Colmns
B. Wooden falsework
C. Cold-drawn steel cables
D. All of the above

C. Cold-drawn steel cables

30

MULTIPLE CHOICE
Which of the following provides protection for each piece of steel?
A. Membrane fireproofing
B. Fire rating
C. Individual fireproofing
D. None of the above

C. Individual fireproofing