問題一覧
1
A mixture of water, cement, sand gravel, or other aggregates.
CONCRETE
2
The nominal maximum sizes of coarse aggregate should be greater than
1/5
3
Dimension between sides of forms ___ the depth of slabs
1/3
4
The minimum clear spacing between individual reinforcing bars.
3/4
5
The shortest length in meters of a commercial available rebar
6 M
6
Aggregates that passes through a no. 4 sieve
FINE AGGREGATES
7
7. The nominal diameter of #8 rebar in mm
25 MM
8
8. It is the 28th day compressive strength of concrete
Fc’
9
9. The maximum number or rebar in a bundled bar
4
10
10. The longest length in meters of a commercially available rebar
12
11
11. The load factor for a dead load as per NSCP 2001
1.4 DL (2010 – 1.2)
12
12. The load factor for a live load as per NSCP 2001
1.7 LL (2010 – 1.6)
13
13. The load factor for a wind load as per NSCP 2001
1.7 WL (2010 – 0.8)
14
14. A composite member consisting of concrete and reinforcing bars.
REINFORCED CONCRETE
15
15. The strength reduction factor for flexure is
0.9
16
16. The nominal diameter of #3 rebar in mm
10
17
17. It is the yield strength of steel rebar
Fy
18
18. The maximum usable strain for concrete is
0.003
19
19. Aggregates that are retained through a No.4 Sieve
COARSE AGGREGATES
20
20. It is an empirical test that measures the workability of fresh concrete
WORKABILITY
21
21. It is the process in which the concrete is protected from loss of moisture and kept within a reasonable temperature range
CURING
22
22. The code limits the tensile steel percentage to ensure what kind of failure?
DUCTILE
23
23. Compute for the modulus of Elasticity in MPa of concrete with fc’ = 21 MPa
4700 sqrt of fc’ = 21538
24
24. Over-reinforced design of concrete will experience what kind of failure?
BRITTLE
25
25. What is the standard weight in kilograms of one bag Portland cement?
40
26
26. The value of b, if the fc prime is less than 30 MPa?
0.85
27
27. The maximum reinforcement ratio provided by the code is taken
75%
28
28. The minimum reinforcement ratio provided by the code is taken
1.4
29
29. A type of beam with fixed support and a roller support at the other end
PROPPED BEAM
30
30. A type of admixture that reduces the inter-particle forces that exist between cement grains in the fresh paste; thereby increasing the paste fluidity
PLASTICIZER
31
31. Which of the following is not a property of hardened hydraulic cement concrete
WORKABILITY
32
32. These are referred to as permanent loads or unmovable loads in structures
DEAD LOAD
33
33. As per NSCP 2001, what is the uniform liveload for residential occupancy in kpa
2-1.9