Chapter 10: Fire Resistive Construction Flashcards
1
Q
1: Concrete is weak in tensile strength but high in\_\_\_\_\_\_\_\_. A: torsion strength B: compressive strength C: potency D: in all of the above
A
B: compressive strength
2
Q
2: As which type of material is concrete classified? A: Cement B: Bolster C: Composite D: Fused
A
C: Composite
3
Q
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
A: Cast-in-place concrete
4
Q
4: Precast concrete includes which of the following? A: Plain concrete B: Reinforced concrete C: Pretensioned concrete D: All of the above
A
D: All of the above
5
Q
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
A
D: Any of the above
6
Q
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
A
B: two-way structural system
7
Q
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
A
C: Its weight
8
Q
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
A
D: Any of the above
9
Q
9: Which of the following does not react negatively with concrete? A: Chlorine B: Breeze C: Aluminum D: Salt
A
B: Breeze
10
Q
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
A
D: 11
11
Q
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
A
- Composite construction
12
Q
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
A
- Falsework
13
Q
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
A
- Aggregate
14
Q
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
A
- Footing
15
Q
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
A
- Cast-in-place concrete
16
Q
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
A
- Reshoring
17
Q
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
A
- Chairs
18
Q
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
A
- Skewback
19
Q
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
A
- Midsill
20
Q
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
A
- Lally column
21
Q
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
A. Strong in compression
22
Q
MULTIPLE CHOICE Steel is significantly more \_\_\_\_\_\_\_ than concrete. A. costly B. prevalent C. strong (compressive strength) D. all of the above
A
C. strong (compressive strength)
23
Q
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
A. 800 degress F
24
Q
MULTIPLE CHOICE Brick veneer buildings are generally kept to a maximum of \_\_\_\_\_\_\_\_\_\_ stories, A. 3 B. 4 C. 5 D. 6
A
D. 6
25
Q
MULTIPLE CHOICE Formwork can represent what percent of the cost of a concrete structure? A. 0.06% B. 0.6% C. 6% D. 60%
A
D. 60%
26
Q
MULTIPLE CHOICE The most dangerous fire potential in a concrete construction site is: A. arson B heating C. temporary electricl lines D. formwork
A
B heating