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ME EXAM MARCH 2020
  • Val Mellan Bangcoyo

  • 問題数 100 • 1/29/2025

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    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%