ME 2023 REVIEWER
What is the cement-ratio by weight shall be proportioned for a 6-cube batch of mortar of fine aggregate sample?
0.5
2.75
3.2
1.5
A 2250 kg/m3 wet unit weight and 6.5% average actual moisture content were obtained from a laboratory data during the conduct of FDT on an aggregate base course materials, what is the dry unit weight of the soil?
2103
1993
2113
1983
What is the minimum distance between reinforcing steel bars?
40mm
35mm
25mm
45mm
How many grams of soil sample shall be taken on the ball shape plastic mass of soil during the conduct of plastic limits test?
3
8
5
2
What is the maximum water cement ratio for Class A concrete?
0.58
0.55
0.49
0.53
In the determination of specific gravity test of coarse aggregates, how many hours the sample of aggregates be immersed in water at room temperature?
15 to 19 hrs
10 to 24 hrs
17 to 22 hrs
12 to 16 hrs
As per specifications, what is the spacing of Reflectorized Thermoplastic Rubble strips?
50 - 100 mm
150 - 200 mm
250 -500 mm
200 - 500 mm
The dividing sieve between course and fine aggregates used in concreting in sieve No.:
No. 4
No. 8
No. 16
No. 10
What is the concrete class used for Item 515 - Mechanically -Stabilized Earth (MSE) Retaining Walls?
Class A
Class B
Class C
Class D
How many grams of soil sample for moisture content determination shall be taken on the compacted material from the mold during moisture density relation test?
300 min
500 min
300 max
500 max
Given: Asphalt content of bituminous mix=5.5%
weight of specimen in air=1200 grams
weight of specimen in water= 700 grams
weight of specimen in SSD= 1205 grams
calculate the bulk specific gravity of the asphalt specimen.
1.576
1.721
2.376
This is the rate of dilution for each laver for Item 206. (September 2019)
1:3 to 1:6
1:3 to 1:9
1:5 to 1:9
1:5 to 1:7
The ratio of the weight/mass of water in the soil to the weight/mass of the dry soil after it has been dried to a constant weight/mass is:
Hygroscopic moisture
Moisture content
Plastic limit
Liquid limit
The minimum weight of sample in grams for moisture content determination of soil sample is:
100
Depends on the max grain size
25
50
During a moisture relation test of soil materials, a 4.5 kg rammer was used. What is the required height of drop of the rammer?
457mm
380mm
305mm
250mm
In soil classification of test, how many kilos of sample to be submitted to the laboratory for testing?
5kg
50kg
10kg
20kg
How high above the ground should the chevron signs be installed in rural areas?
1.50 m
2.50 m
2.20 m
2.50 m
In a liquid limit test of soil, what sample of soil shall be taken?
Passing 0.425mm sieve
Passing 4.75mm sieve
Passing 0.075mm sieve
Passing 2.0mm sieve
The solvent used in extraction of bitumen
Gasoline
Water
Diesel Oil
Kerosene
What is minimum weight of gravity hammers used in pile driving?
3,000 kg
2,000 kg
1,500 kg
1,000 kg
Other
Please Specify:
What is tensile strength of Rubber Water Stops?
17MPa
15MPa
10MPa
9.6MPa
What is the Class if the stones are weighing from 60kg to 100kg?
Class A
Class B
Class C
Class D
What is minimum penetration of all piles for Bridge Construction?
6m
3m
10m
5m
What is the ph Value of water allowed in concrete mix?
4.0 to 8.0
4.0 to 8.5
5.5 to 8.5
4.5 to 8.5
What is the minimum Free-Haul distance?
500m
600m
400m
350m
How much water in millimeters is to be initially added on the test sample during the preparation of soil sample for a liquid limit test?
10 to 20
15 to 20
10 to 15
15 to 25
The molded specimen of soil materials for CBR test shall be soaked in water at?
36hrs
96hrs
60hrs
48hrs
What reagent and how many percent shall be added on the sample of sand in the determination of organic impurities of fine aggregates?
2% of magnesium sulphate solution
2% of potassium iodide solution
3% of sodium hydroxide solution
3% of sodium sulphate solution
What is the required diameter in millimeters shall be observed prior to breaking of the thread of soil in the plastic limit test?
2.2
3.2
1.5
4.2
In a bituminous mix, there are three (3) kinds of aggregates. What kind of aggregate passes Sieve No. 200?
Mineral filler
Fine
Admixture
Coarse
It is a single test procedure to determine the suitability of an asphalt concrete mix
Marshall Stability
Penetration
Extraction
Immersion Compression
Soil classification is determined by
Atterberg Limit Test and Sieve analysis test
Sieve analysis test
Atterberg limit test
Hydrometer test
The upper limit of grain sizes used for determining the Atterberg limits soils is:
No. 10 sieve
No. 100 sieve
No. 40 sieve
No. 200 sieve
Penetration test for asphalt cement is a measure of
Ductility
Solubility
Consistency
Fluidity
What is the specification range for asphalt content in a bituminous concrete mix for surface paving?
4to 8 percent of the total dry aggregates mass weight
3.5 to 7.5 percent of the total dry aggregates mass weight
4 to 10 percent of the total dry aggregates mass weight
5 to 8 percent of the total dry aggregates mass weight
What is the curing temperature of a concrete sample?
16 to 27°C
10 to 15°C
18 to 24°C
15 to 18°C
The mortar proportion of stone masonry shall be:
One part cement, 1 part sand
One part cement, 4 parts sand
One part cement, 3 parts sand
One part cement, 2 parts sand
How can you determine the size of your deformed steel bars?
All of the choices
By getting the weight of one meter bar
By the use of a caliper
By the use of tape measure
Embankment materials are classified as unsuitable materials if
The plasticity index is 60
The natural density is 1200 klogram per cubic meter
The natural moisture content is 50%
The liquid limit is 40%
If concrete is continuously moist-cured, it will gain strength beyond 180 days.
True
It depends on the curing temperature
False
It depends on the cement used
The penetration test is an indication of the _______ of asphalt.
Softness
Flash point
Hardness
Consistency
What is the function of emulsifiers in liquid asphalt?
To retain water in asphalt for longer periods
To enable asphalt and water to mix
To increase mixing ability with aggregates
To prevent asphalt from hardening
In a design mix, the specific gravity of Portland cement must be:
3.10
3.05
6.10
3.15
The frequency of sampling and testing for compacting subbase material is:
1 per 500 cum
1 per 300 cum
1 per 2,500 cum
1 per 1,500 cum
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