ME EXAM MARCH 2020
問題一覧
1
Rate of dilution for each layer polymer - based chemical soil additive for Item 206.
1:5 to 1:9
2
What is the ph Value of water allowed in concrete mix?
4.5 to 8.5
3
What is the minimum dry compressive strength of bituminous mixture?
1.4 MPa
4
If the sample splitter is not available for use in reducing samples for testing, what is the alternative way of reducing sample for testing size for coarse aggregates?
apply quartering method and get two opposite sides as samples
5
What is the compressive strength of the 6" dia. cylinder sample if it fails at 105,100 lbs.?
3,720 psi
6
How many quality tests are required for Concrete Hollow Blocks (CHB) if the total quantity to be used in the project is 35,750 units?
36 QT
7
A 3.35 meter width single lane pavement has a shoulder with of 3.0 meters on each side. The combined thickness of subbase and base course shall be 400mm. How many layers of Compaction of the subbase and base courses must be carried out if the thickness of the subbase is 200mm?
2 layers over full width of 4.35m
8
Which of the following Schedule No. of Galvanized Iron Pipes is the thickest?
No. 160
9
What is minimum thickness of aluminum sheeting used for warning, regulatory and informatory signs?
3 mm
10
What sieve No. is the maximum particle passing for Sand used in Field Density Test?
Sieve No. 10
11
What is the rate of application for Bituminous Prime Coat?
1 - 2 l/sqm
12
This is the minimum thickness of stones to be used for Stone Masonry.
150 mm
13
What is the slump of workable concrete when not vibrated?
40 - 75mm
14
What is the Young's Modulus of Elasticity of Carbon Fiber Sheet?
230 kN/mm^2
15
Carbon Fiber Sheet Pull Off bond strength in dry and wet shall have minimum concrete failure of ______?
1.5 MPa
16
What is the minimum vertical load that the reflective pavement studs shall support during testing?
10 kN
17
What is the ratio of Mortar used for Grouted Riprap?
1:3
18
The Pattern of Reflectorized Rubble strips finish within _____ of any hazard it is associated with.
50m
19
The length and thickness of bituminous pavement core is obtained from how many measurements?
4
20
What is the maximum international roughness Index (IRI) for both asphalt and concrete pavements?
3.0 m/km
21
What is the rate of louding of compression machine during compression test of cylinder samples?
20 - 50 psi/sec
22
This is a test that determines an aggregate's resistance to disintegration by weathering and freeze-thaw cycle.
Soundness
23
What is the standard oven temperature for drying aggregate and soil samples?
110+-5°C
24
This is a high technology equipment containing radioactive source that can read in-place density or moisture content.
Nuclear Density Gauge
25
These materials are generated when asphalt pavements are removed for reconstruction, resurfacing, or to obtain access to buried utilities.
Reclaimed asphalt pavement (RAP)
26
What is the dimension tolerance of Gabions?
+-5%
27
What is the minimum application thickness of non-shrink grout?
10mm
28
The concrete mixtures not yet discharge for 1 hour and 45 minutes, as ME, what are you going to do?
Discard the mix
29
What is the proper way of transporting core /concrete samples to the laboratory for testing?
Samples are in crate with saw dust and rice straw or even sand the least
30
What is the frequency of core sampling on a completed bituminous pavement?
Every 100m
31
What is the sampling weight of Concrete Joint Sealant Cold type?
3.785 L
32
What is the heating temperature during application of Reflective Thermoplastic Stripping Material?
211 +- 7°C
33
What is the sampling frequency for compressive strength of shotcrete?
1 set per 25 m3 but not less than 1day
34
Which of the ff. Gauge No. of Galvanized Iron Sheets is the thickest?
No. 18
35
These types of paints are used mainly for concrete and masonry surfaces.
Latex paint
36
Dial and Armored Stem Thermometer should be inserted in the mixture to a minimum depth of ______?
6"
37
For Thickness determination using core asphalt, how many measurements should be taken on its quarter points on the periphery?
4
38
If the dry stability is 1,300 psi, wet stability of 1,250 psi and air voids of 3%, what is the index of retained strengty (IRS)
96.15%
39
Calculate the moisture content given the following data:
Original Weight = 150 grams
Oven Dried Weight = 145.50 grams
3.09%
40
How many Grading Test must be conducted for Item 300 with a volume of 6,000 cubic meters?
20
41
What is the load to produce 0.30mm crack with the following given data: The following are the data from the Three-Edge Bearing Test of Reinforced Concrete Pipe:
Laying Length = 1.0m
Thickness of the wall = 125mm
Actual Internal Diameter = 950mm
Load produce 0.30mm crack = 4250 lbs
Ultimate Load = 4500 lbs
19.90 N/m/mm
42
Embankment material has Plastic Limit of 34 and Liquid Limit of 30, what is the Plasticity Index?
4
43
Comopute Fineness Modulus
2.78
44
How many quality tests are required for each type of paint if in a certain project, it requires 335 Gallons of paint and which 160 Gallons are Latex paint and the rest are enamel paint?
2 Gal each
45
The application of coal tar asphalt sealer of a surface treatment on an asphalt concrete pavement shall be from 21 to _____ degrees Celsius.
35
46
What is standard height of Reflectorized Thermoplastic Rubble Strips?
4-13mm
47
What is the roller speed when compacting the newly laid bituminous mixture?
4-7 kph
48
What is the density of the rock fill for both gabions and mattress?
1,400 kg/m^3
49
What is the minimum cement content per cubic meter of Shotcrete?
325
50
This test determines the right amount of mixing water in compacting a soil fill to obtain maximum density.
Compaction
51
What information is not provided on the sieving process?
Shape of the Soil Grains
52
Unconfined compressive strength is used for what type of soil?
Clayey Soil
53
What is the minimum Plasticity Index for Aggregate Surface Course?
4
54
How many layers will you compact and what is the minimum compaction requirement of embankment with a thickness of 1.2meters?
6 layers with 95% compaction req.
55
What is the degree of compaction of soil if the dry unit weight in the field is 1550 kg/m^3 and the laboratory dry maximum density is 1870 kg/m^3?
82.89%
56
What is the ratio of length to diameter of the coconut coir fiber materials in fabrication of coconut geonets?
35
57
What is the maximum mass percent of wear for Aggregate Surface Course?
45
58
A core was taken from a concrete pavement with a thickness of 30.9cm. What is the corrected thickness to be used to get the average thickness if the design height is 30cm.
30.5cm
59
This is an admixture that tends to reduce incidence of thermal cracking and to maintain concrete workability during large pours or long ready-mix hauls.
Retarding Admixture
60
The fiber shall also be hygroscopic with moisture content of 10-12% at 65% humidity and ______ at 95% relative humidity.
22-55%
61
If the mean density of the control strip is less than _____ of the density of laboratory compacted specimen, take another control strip.
98%
62
What do you call the selection by standard method of a representative portion of a material for ascertaining its characteristics?
Sampling
63
What kind of soil is used to perform Consolidation Test?
Undisturbed
64
The rock asphalt as furnished shall contain between ______ of Bitumen.
8 - 13%
65
What is thr recommended length of road section where Reflectorized Rubble strips are to be installed?
20 - 30m
66
What will you do when the aggregate sample material such as base course passed the requirements of quality test except for Grading?
Process again the aggregate material by blending
67
When hauled by Agitating Trucks, time elapsed from the time water added to the mix until the concrete is deposited in place shall not exceed?
90 minutes
68
What is the ideal fineness modulus of well graded natural sand?
2.75
69
What is the standard unit weight per meter of 32mm steel bars?
6.314 kg/m
70
When hauled by Non-Agitating Trucks, time elapsed from the time water added to the mix until the concrete is deposited in place shall not exceed?
45 minutes
71
What is the maximum tolerance on the mass of one piece of steel bar?
+-6.0%
72
How high above the ground should the chevron signs be installed in urban areas?
2.20 m
73
What is the minimum flexural strength of beam sample when tested by Mid-Point Method?
4.5 MPa
74
What is the device that measures the relative hardness of asphalt?
Penetrometer
75
What is the minimum uniform density of crushed slag used for PCCP in kilogram/cubic meter?
1,120
76
If there are 555 pieces of reinforced pipe culverts, how many samples shall be taken for testing?
12
77
What is the compressive strength of the 6" diameter cylinder sample if it fails 450 kilonewton?
3,580 psi
78
This is the wearing away of the concrete pavement surface caused by the dislodging of aggregates particles and loss of binder.
Scaling
79
This test determines the crushing of strength of aggregates to ensure that coarse aggregates will not degrade to smaller ones.
Abrasion
80
How many bags of cement per cubic meter of Class Seal Concrete?
9.5
81
What is the mixing time for concrete when mixed in a central mixing plant?
Less than 50 sec nor more than 90 sec
82
When transporting mixed concrete, the time elapsed from the time water added to the mix until the concrete is deposited in place shall not exceed?
45 minutes by Non-agitating trucks
83
Fibers used in the manufacture of geotextiles and the threads used in joining geotextiles by sewing shall consist of long-chain synthetic polymers composed of at least ______ percent by mass polyolefins, polyesters or polyamides.
85%
84
The workability of the bituminous mixture is very dependent on its _______.
Temperature of the mix
85
What is the maximum dimension of the concrete slab used for Item 510 - Concrete Slope Protection?
4mx4m
86
For the installation of sheet pile, the joint between the piles shall be practically ______ within the piles are in place?
Watertight
87
Concrete in the area represented by the cores will be considered adequate in their average strength is equal to:
At least 85% and no single core is less than 75% of the f'c
88
The allowable temperature of asphalt mix prior to spreading.
107
89
A road section with a length of 30km was scheduled to paint thermoplastic pavement marking on October 2015, this section is located on a low speed, low volume road. When shall be the next schedule of application of thermoplastic marking?
October 2017
90
The repeated operation of fine grading and compacting the full width of the roadway to undertaking any overlaying structural layer is _______.
Subgrade Preparation
91
In laying stone components of Grouted Riprap, each stone should be?
Laid with its longest axis perpendicular to the slope
92
These are localized pavement surface areas with slightly lower elevations than the surrounding pavement and are very noticeable after a rain when they fill with water.
Depression
93
These are localized upward movement in a pavement due to swelling of the subgrade.
Upheaval
94
In concrete surface it is defined as the loss of surface mortar and mortar surrounding the aggregate particles.
Scaling
95
What is sieve no. that separates between coarse and fine aggregates of Item 300, Aggregate Surface Course?
No. 10
96
What is the minimum pull-offs per system or span of Carbon Fiber Sheets?
2
97
What is mnimum sampling requirement for Mineral Filler?
2.5 kg
98
Hwo many CBR tests must be conducted for Item 200 with a volume of 6,000 cubic meters?
3
99
The total number of reflectorized thermoplastic rubble strips of a certain project is 134 bags; how many kilograms of samples should be taken for testing?
20 kg
100
Reflective sheeting for Chevron Signs shall perform effectively for a minimum of _____ years from date of fabrication and retain at least ______ of its original brightness.
7 years, 70%
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100問 • 1年前問題一覧
1
Rate of dilution for each layer polymer - based chemical soil additive for Item 206.
1:5 to 1:9
2
What is the ph Value of water allowed in concrete mix?
4.5 to 8.5
3
What is the minimum dry compressive strength of bituminous mixture?
1.4 MPa
4
If the sample splitter is not available for use in reducing samples for testing, what is the alternative way of reducing sample for testing size for coarse aggregates?
apply quartering method and get two opposite sides as samples
5
What is the compressive strength of the 6" dia. cylinder sample if it fails at 105,100 lbs.?
3,720 psi
6
How many quality tests are required for Concrete Hollow Blocks (CHB) if the total quantity to be used in the project is 35,750 units?
36 QT
7
A 3.35 meter width single lane pavement has a shoulder with of 3.0 meters on each side. The combined thickness of subbase and base course shall be 400mm. How many layers of Compaction of the subbase and base courses must be carried out if the thickness of the subbase is 200mm?
2 layers over full width of 4.35m
8
Which of the following Schedule No. of Galvanized Iron Pipes is the thickest?
No. 160
9
What is minimum thickness of aluminum sheeting used for warning, regulatory and informatory signs?
3 mm
10
What sieve No. is the maximum particle passing for Sand used in Field Density Test?
Sieve No. 10
11
What is the rate of application for Bituminous Prime Coat?
1 - 2 l/sqm
12
This is the minimum thickness of stones to be used for Stone Masonry.
150 mm
13
What is the slump of workable concrete when not vibrated?
40 - 75mm
14
What is the Young's Modulus of Elasticity of Carbon Fiber Sheet?
230 kN/mm^2
15
Carbon Fiber Sheet Pull Off bond strength in dry and wet shall have minimum concrete failure of ______?
1.5 MPa
16
What is the minimum vertical load that the reflective pavement studs shall support during testing?
10 kN
17
What is the ratio of Mortar used for Grouted Riprap?
1:3
18
The Pattern of Reflectorized Rubble strips finish within _____ of any hazard it is associated with.
50m
19
The length and thickness of bituminous pavement core is obtained from how many measurements?
4
20
What is the maximum international roughness Index (IRI) for both asphalt and concrete pavements?
3.0 m/km
21
What is the rate of louding of compression machine during compression test of cylinder samples?
20 - 50 psi/sec
22
This is a test that determines an aggregate's resistance to disintegration by weathering and freeze-thaw cycle.
Soundness
23
What is the standard oven temperature for drying aggregate and soil samples?
110+-5°C
24
This is a high technology equipment containing radioactive source that can read in-place density or moisture content.
Nuclear Density Gauge
25
These materials are generated when asphalt pavements are removed for reconstruction, resurfacing, or to obtain access to buried utilities.
Reclaimed asphalt pavement (RAP)
26
What is the dimension tolerance of Gabions?
+-5%
27
What is the minimum application thickness of non-shrink grout?
10mm
28
The concrete mixtures not yet discharge for 1 hour and 45 minutes, as ME, what are you going to do?
Discard the mix
29
What is the proper way of transporting core /concrete samples to the laboratory for testing?
Samples are in crate with saw dust and rice straw or even sand the least
30
What is the frequency of core sampling on a completed bituminous pavement?
Every 100m
31
What is the sampling weight of Concrete Joint Sealant Cold type?
3.785 L
32
What is the heating temperature during application of Reflective Thermoplastic Stripping Material?
211 +- 7°C
33
What is the sampling frequency for compressive strength of shotcrete?
1 set per 25 m3 but not less than 1day
34
Which of the ff. Gauge No. of Galvanized Iron Sheets is the thickest?
No. 18
35
These types of paints are used mainly for concrete and masonry surfaces.
Latex paint
36
Dial and Armored Stem Thermometer should be inserted in the mixture to a minimum depth of ______?
6"
37
For Thickness determination using core asphalt, how many measurements should be taken on its quarter points on the periphery?
4
38
If the dry stability is 1,300 psi, wet stability of 1,250 psi and air voids of 3%, what is the index of retained strengty (IRS)
96.15%
39
Calculate the moisture content given the following data:
Original Weight = 150 grams
Oven Dried Weight = 145.50 grams
3.09%
40
How many Grading Test must be conducted for Item 300 with a volume of 6,000 cubic meters?
20
41
What is the load to produce 0.30mm crack with the following given data: The following are the data from the Three-Edge Bearing Test of Reinforced Concrete Pipe:
Laying Length = 1.0m
Thickness of the wall = 125mm
Actual Internal Diameter = 950mm
Load produce 0.30mm crack = 4250 lbs
Ultimate Load = 4500 lbs
19.90 N/m/mm
42
Embankment material has Plastic Limit of 34 and Liquid Limit of 30, what is the Plasticity Index?
4
43
Comopute Fineness Modulus
2.78
44
How many quality tests are required for each type of paint if in a certain project, it requires 335 Gallons of paint and which 160 Gallons are Latex paint and the rest are enamel paint?
2 Gal each
45
The application of coal tar asphalt sealer of a surface treatment on an asphalt concrete pavement shall be from 21 to _____ degrees Celsius.
35
46
What is standard height of Reflectorized Thermoplastic Rubble Strips?
4-13mm
47
What is the roller speed when compacting the newly laid bituminous mixture?
4-7 kph
48
What is the density of the rock fill for both gabions and mattress?
1,400 kg/m^3
49
What is the minimum cement content per cubic meter of Shotcrete?
325
50
This test determines the right amount of mixing water in compacting a soil fill to obtain maximum density.
Compaction
51
What information is not provided on the sieving process?
Shape of the Soil Grains
52
Unconfined compressive strength is used for what type of soil?
Clayey Soil
53
What is the minimum Plasticity Index for Aggregate Surface Course?
4
54
How many layers will you compact and what is the minimum compaction requirement of embankment with a thickness of 1.2meters?
6 layers with 95% compaction req.
55
What is the degree of compaction of soil if the dry unit weight in the field is 1550 kg/m^3 and the laboratory dry maximum density is 1870 kg/m^3?
82.89%
56
What is the ratio of length to diameter of the coconut coir fiber materials in fabrication of coconut geonets?
35
57
What is the maximum mass percent of wear for Aggregate Surface Course?
45
58
A core was taken from a concrete pavement with a thickness of 30.9cm. What is the corrected thickness to be used to get the average thickness if the design height is 30cm.
30.5cm
59
This is an admixture that tends to reduce incidence of thermal cracking and to maintain concrete workability during large pours or long ready-mix hauls.
Retarding Admixture
60
The fiber shall also be hygroscopic with moisture content of 10-12% at 65% humidity and ______ at 95% relative humidity.
22-55%
61
If the mean density of the control strip is less than _____ of the density of laboratory compacted specimen, take another control strip.
98%
62
What do you call the selection by standard method of a representative portion of a material for ascertaining its characteristics?
Sampling
63
What kind of soil is used to perform Consolidation Test?
Undisturbed
64
The rock asphalt as furnished shall contain between ______ of Bitumen.
8 - 13%
65
What is thr recommended length of road section where Reflectorized Rubble strips are to be installed?
20 - 30m
66
What will you do when the aggregate sample material such as base course passed the requirements of quality test except for Grading?
Process again the aggregate material by blending
67
When hauled by Agitating Trucks, time elapsed from the time water added to the mix until the concrete is deposited in place shall not exceed?
90 minutes
68
What is the ideal fineness modulus of well graded natural sand?
2.75
69
What is the standard unit weight per meter of 32mm steel bars?
6.314 kg/m
70
When hauled by Non-Agitating Trucks, time elapsed from the time water added to the mix until the concrete is deposited in place shall not exceed?
45 minutes
71
What is the maximum tolerance on the mass of one piece of steel bar?
+-6.0%
72
How high above the ground should the chevron signs be installed in urban areas?
2.20 m
73
What is the minimum flexural strength of beam sample when tested by Mid-Point Method?
4.5 MPa
74
What is the device that measures the relative hardness of asphalt?
Penetrometer
75
What is the minimum uniform density of crushed slag used for PCCP in kilogram/cubic meter?
1,120
76
If there are 555 pieces of reinforced pipe culverts, how many samples shall be taken for testing?
12
77
What is the compressive strength of the 6" diameter cylinder sample if it fails 450 kilonewton?
3,580 psi
78
This is the wearing away of the concrete pavement surface caused by the dislodging of aggregates particles and loss of binder.
Scaling
79
This test determines the crushing of strength of aggregates to ensure that coarse aggregates will not degrade to smaller ones.
Abrasion
80
How many bags of cement per cubic meter of Class Seal Concrete?
9.5
81
What is the mixing time for concrete when mixed in a central mixing plant?
Less than 50 sec nor more than 90 sec
82
When transporting mixed concrete, the time elapsed from the time water added to the mix until the concrete is deposited in place shall not exceed?
45 minutes by Non-agitating trucks
83
Fibers used in the manufacture of geotextiles and the threads used in joining geotextiles by sewing shall consist of long-chain synthetic polymers composed of at least ______ percent by mass polyolefins, polyesters or polyamides.
85%
84
The workability of the bituminous mixture is very dependent on its _______.
Temperature of the mix
85
What is the maximum dimension of the concrete slab used for Item 510 - Concrete Slope Protection?
4mx4m
86
For the installation of sheet pile, the joint between the piles shall be practically ______ within the piles are in place?
Watertight
87
Concrete in the area represented by the cores will be considered adequate in their average strength is equal to:
At least 85% and no single core is less than 75% of the f'c
88
The allowable temperature of asphalt mix prior to spreading.
107
89
A road section with a length of 30km was scheduled to paint thermoplastic pavement marking on October 2015, this section is located on a low speed, low volume road. When shall be the next schedule of application of thermoplastic marking?
October 2017
90
The repeated operation of fine grading and compacting the full width of the roadway to undertaking any overlaying structural layer is _______.
Subgrade Preparation
91
In laying stone components of Grouted Riprap, each stone should be?
Laid with its longest axis perpendicular to the slope
92
These are localized pavement surface areas with slightly lower elevations than the surrounding pavement and are very noticeable after a rain when they fill with water.
Depression
93
These are localized upward movement in a pavement due to swelling of the subgrade.
Upheaval
94
In concrete surface it is defined as the loss of surface mortar and mortar surrounding the aggregate particles.
Scaling
95
What is sieve no. that separates between coarse and fine aggregates of Item 300, Aggregate Surface Course?
No. 10
96
What is the minimum pull-offs per system or span of Carbon Fiber Sheets?
2
97
What is mnimum sampling requirement for Mineral Filler?
2.5 kg
98
Hwo many CBR tests must be conducted for Item 200 with a volume of 6,000 cubic meters?
3
99
The total number of reflectorized thermoplastic rubble strips of a certain project is 134 bags; how many kilograms of samples should be taken for testing?
20 kg
100
Reflective sheeting for Chevron Signs shall perform effectively for a minimum of _____ years from date of fabrication and retain at least ______ of its original brightness.
7 years, 70%