MANUAL REVIEWER 2 Flashcards
(45 cards)
Given the following data from Marshall Stability Test, calculate the Optimum Asphalt Content
Air Voids = 4.50%
VMA = 12%
Maximum Stability = 4.60
Maximum Unit Weight = 5.67
4% Air Voids = 5.78
A. 5.35
B. 5.55
C. 5.53
D. 5.38
A
If the dry stability is 1,300 psi, wet stability is 1,250 psi, and air voids of 3%, what is the index of retained strength (IRS)?
A. 104%
B. 96.25%
C. 3.85%
D. 96.15%
D
What is your evaluation:
If the dry stability is 1,300 psi, wet stability is 1,250 psi, and air voids of 3%, what is the index of retained strength (IRS)?
A. Yes, it passed
B. No, it failed
C. Maybe
D. I don’t know
A
The following are the data from the Three-Edge Bearing Test of Reinforced Concrete Pipe
Laying Length = 1.0m
Thickness of the Wall = 125 mm
Actual Internal Diameter = 950 mm
Load Produce 0.30mm Crack = 8500 kg
Ultimate Load = 9250 kg
What is the load to produce 0.30 mm crack?
A. 87.77 N/m/mm
B. 88.77 N/m/mm
C. 87.87 N/m/mm
D. 87.88 N/m/mm
A
The following are the data from the Three-Edge Bearing Test of Reinforced Concrete Pipe
Laying Length = 1.0m
Thickness of the Wall = 125 mm
Actual Internal Diameter = 950 mm
Load Produce 0.30mm Crack = 8500 kg
Ultimate Load = 9250 kg
What is the ultimate load?
A. 98.03 N/m/mm
B. 88.77 N/m/mm
C. 98.30 N/m/mm
D. 87.88 N/m/mm
C
Calculate the moisture content
Original Weight = 150 g
Oven Dried Weight = 145.5 g
A. 3.90%
B. 3.09%
C. 3.00%
D. 3.19%
B
The following are the data from the Three-Edge Bearing Test of Reinforced Concrete Pipe
Laying Length = 1.0m
Thickness of the Wall = 125 mm
Actual Internal Diameter = 950 mm
Load Produce 0.30mm Crack = 4250 lb
Ultimate Load = 4500 lb
What is the load to produce 0.30mm crack?
A. 19.90 N/m/mm
B. 199 N/m/mm
C. 29.90 N/m/mm
D. 299 N/m/mm
A
The following are the data from the Three-Edge Bearing Test of Reinforced Concrete Pipe
Laying Length = 1.0m
Thickness of the Wall = 125 mm
Actual Internal Diameter = 950 mm
Load Produce 0.30mm Crack = 4250 lb
Ultimate Load = 4500 lb
What is the ultimate load?
A. 21.07 N/m/mm
B. 210.7 N/m/mm
C. 20.17 N/m/mm
D. 201.7 N/m/mm
A
What is the degree of compaction of soil if the maximum dry density is 1880 kg/cu.m, wet density is 2100 kg/cu.m with actual moisture content of 9.50%?
A. 102.01%
B. 101.01%
C. 103.01%
D. 101.02%
A
How many layers will you compact and what is the minimum compacto requirement of embankment with a thickness of 1.2m?
A. 6 layers with 95% compaction
B. 8 layers with 95% compaction
C. 6 layers with 90% compaction
D. 8 layers with 90% compaction
A
Embankment material has PL of 30, LL of 34. What is the PI?
A. 64
B. 4
C. 88%
D. 114%
B
How many compacton tests must be conducted for Item 104 with a volume of 5000 cu.m?
A. 4
B. 6
C. 7
D. 3
A
How many CBR tests must be conducted for Item 200 with a volume of 6000 cu.m?
A. 2
B. 3
C. 4
D. 5
B
How many Grading Test tests must be conducted for Item 300 with a volume of 6000 cu.m?
A. 20
B. 30
C. 40
D. 50
A
How many Fractures Face must be conducted for Item 300 with a colume of 6000 cu.m?
A. 2
B. 3
C. 4
D. 5
C
What is the abrasion loss if the original weight of the sample is 10000g and the weight retained in Sive No. 12 is 9240 g
A. 8.22%
B. 7.6%
C. 76%
D. 82.2%
B
Compute the variation of Mass of 16mm diamter reinforcing bar with a mass of specimen 1420 kg/m?
A. 10.07%
B. 11.19%
C. 11.29%
D. 11.01%
A
What is your evaluation?
Compute the variation of Mass of 16mm diamter reinforcing bar with a mass of specimen 1420 kg/m?
A. It passed
B. It did not pass
C. Almost passed
D. Maybe
B
Compute Fineness Modulus
Sieve Size % Passing
3.8” 100
No. 4 95
No. 8 87
No. 16 56
No. 30 35
No. 50 45
No. 100 4
No. 200 2
A. 2.68
B. 2.78
C. 3.76
D. 4.22
B
What is the percent of asphalt by weight of total mix if the weight of dry aggregates is 960 kg and the weight of asphalt is 75 kg?
A. 7.25%
B. 7.52%
C. 7.35%
D. 7.53%
A
What is the degree of compaction of soils if the dry unit weight in the field is 1550 kg/cu.m and the laboratory dry maximum density is 1870 kg/cu.m?
A. 82.99%
B. 82.89%
C. 120.65%
D. 120.56%
B
What is the specific gravity of the mixture
% By Weight of Total Mix Specific Gravity Asphalt 5.50 1.03 Aggregates 94.5 2.60
A. 2.04
B. 2.40
C. 2.50
D. 2.55
B
What is the specific gravity of the mixture if there are air voids?
% By Weight of Total Mix Specific Gravity Asphalt 5.50 1.03 Aggregates 94.5 2.60
A. 1.948
B. 2.388
C. 2.292
D. 2.435
C
A 3.5m width single lane pavement has a shoulder width of 2.5m on each side. The combined thickness of subbase and base course shall be 425mm. How many layers of Compaction of the subbase and abse course must be carried out if the thickness of the subbase is 225 mm?
A. 2 layers over full width of 4.5m
B. 2 layers over full width of 3.5m
C. 3 layers over full width of 4.5m
D. 3 layers over full width of 3.5m
C