Provided along the slopes of high embankments as an erosion control measure and to measure and to improve the stability of the side slopes:

A program quality control works to be complied by the contractor which is prepared by DPWH:

The fraction passing the 0.425mm (No.40) sieve for item 104- Embankment shall have a liquid limit:

Clay can be distinguished from “silt” by performing:

An application of asphalt materials to any type of road or pavement surface with or without a cover of mineral aggregates that produce an increase in thickness of less than 25mm or 1inch,

What is the single vertical datum to which elevation for all infrastructure projects should be referred to¿

The soaked CBR value for item 201(base course) at maximum dry density is:

The flexural strength of the concrete beam sample at 14 days when tested at third point method is:

A thin asphalt surface treatment used to waterproof and improve the texture of an asphalt wearing surface:

The permitted variances in design requirements of aggregate Subbase materials on surface irregularity measured by a 3meters straight edge:

The most commonly used method in the design and evaluation of bituminous concrete mixes.

Test which gives an indication of clay content soil :

An application of low-viscosity cutback to an absorbent surface of a mixed-in application of emulsified asphalt, it is used only on untreated base prior to placement of an asphalt pavement.

The progressive separation of aggregate particles in a pavement from the surface downward or from the edge inward:

The primary quality control mechanism for the production of asphalt mixtures which will have a high degree of uniformity that will satisfy the job requirements is called:

The unit pressure greater than which progressive settlement will occurs leading o failure:

Unsuitable materials are soil with a natural water content exceeding:

The width of the weakened plain joints should not be more than:

The practice of artificially densifying and incorporating definite density into the soil mass rolling, tampering or other means:

The bituminous Prime Coat materials should be applied by a pressure distributor at specified temperature and at an application rate ranging from:

The flexural strength of concrete is considered satisfactory when the average strength of all sets of 3 consecutive strength test results equal or exceed the specified strength and when no individual strength test result is deficient by more than:

A crack sometimes crescent shaped, that point in the direction of the trust of the wheels on the pavement surface caused by lack of bond between two pavement layer:

A crack in asphalt overlay that reflects the crack pattern in the pavement structure underneath:

The Atterberg limit tests are performed on the soil fraction passing sieve No.:

Materials containing detrimental quantities of organic material such as grass, roots and sewerage, highly organic soils such as peat and muck:

How many core samples should be taken for thickness determination of a 2-kilometer, 2-lane concrete road pavement ¿

The localized buckling or shattering of a rigid type pavement occurring usually at traverse crack or joint.

Sub- grade soil is well compacted under the controlled condition of:

Any condition that might contribute to making a pavement slippery:

The fraction passing the 0.425 (No.40) sieve for item 200- Aggregate Subbase Course shall have a plasticity index of:

A layer of an asphalt aggregate mixture of variable thickness used to eliminate irregularities in the content of an existing surface prior to placement of an overlay:

What is the dividing line between coarse and fine aggregates¿

The progress of maintaining sufficient moisture and favorable temperature in concrete is called:

The uniform rate of flow of concrete when poured:

The mass percent of wear of course aggregates for base materials by Los Angeles Abrasion Test:

The in-place density (tested by AASHTO T-191) of each layer should consistently:

Sand used to measure the volume of test hole in the field density test;

The materials in excavation (cuts), embankment (fills) and embankment foundation immediate below the layer of subbase, base, or pavement and to such depth as may affect the structural design:

The rate of loading for compressive strength:

Used to evaluate the potential strength of soil aggregate:

How many samples or core- drilled samples must be taken for each day’s full operation ¿

A mixture of slow setting emulsified asphalt, water, aggregates and mineral filler produce to a slurry consistency and placed on pavement surface:

The stones used for stone masonry shall have a thickness of not less than:

Before an asphalt pavement or asphalt surface treatment is place on a granular base, what is liquid asphalt is applied ¿

The temperature for moist curing of specimen that gives the best result.

Specified or selected materials of designed thickness place as foundation for base:

The fraction passing the 0.425mm (No.40) sieve for item 202 shall have a Plasticity index of:

The coarse portion, retained on a 2.00mm (#10) sieves for item 202 shall have a mass percent of wear by the Los Angeles Abrasion Tests:

What is the air drying temperature ¿

The permitted variation in design requirements of aggregate Base materials on crossfall or camber:

How open progress payment be requested by a contractor ¿

Whose engineering judgment will prevail in the overall field implementation of a project ¿

The materials passing the 19mm sieves for item 202 shall have a soaked CBR value tested according to AASHTO-T93.

The upward movement of an asphalt in an asphalt pavement resulting in the formation of a film of asphalt on the surface:

The compaction of sub-base, the compacted dry density of each layer should not be less than what value of the maximum dry density,determine according to the AASHTO method ¿

Test used to determine the hardness property of course aggregates:

A department memorandum circular, a revised method on Field Density Test;

A widely used as control test in embankment construction to ensure adequate compaction:

The depth of corrugation the surface pavement after brooming.

The maximum sieve opening for grading requirement of aggregate base course (item 201).

Serves as load transfer device and are held in position parallel to the surface and center line of the slab by a metal device:

The rate of application for bituminous tack coat materials (item 302) ranging from:

If the required thickness for Subbase or base is 150mm or less, this maybe spread and compacted in ____.

The soaked CBR value for item 200(subbase) at maximum dry density is:

Camber on gravel roads is provided to:

A Department Order, hereby directed, No acceptance and final payment shall be made on completed concrete and asphalt pavement unless core test for thickness determination is conducted.

The fraction passing the 0.425mm (No.40) sieve for item 201-Aggregate Base Course shall have a Plasticity index of:

The most common method in determining the consistency of concrete mix:

Specified or selected materials of designed thickness place as foundation at pavement.

The maximum size to coarse aggregates required for item 311(PCCP):

The gradation requirement used for Hot Plant-Mix Bituminous Pavement:

The fraction passing the 0.425mm (No.40) sieve for item 200-Aggregate Subbase Course shall have a liquid limit of:

The materials passing the 19mm sieves for item 202 shall have a soaked CBR value of:

A number of measurements for concrete core specimen:

A very light application of asphalt applied to an existing asphalt or Portland cement surface , used to ensure a bond between the surface of being paved and the overlaying course :

The proportion mix of mortar for grouted riprap shall be:

The fraction passing the 0.425mm (No.40) sieve for item 201- Aggregate Base Course shall have a liquid limit of:

What is the oven drying temperature for moisture content determination ¿

A variation order may be in the form of extra work order o change order. What is the maximum allowable percentage of the change order ¿

It is prescribed in each project based on estimated quantities and specifies the kind and number of test for each item of work.

A number of measurements for asphalt core specimen:

What item number is Portland Cement Concrete Pavement:

The coarse portion, retained on a 2.00mm (#10) sieves for item 201 shall have a madd percent of wear by the Los Angeles Abrasion Tests as determined by AASHTO-T96.

The rate of application of emulsified asphalt used as Tack Coat, should be within the range of:

The fraction passing the 0.425mm (No. 40) sieve for item 202 shall have a liquid limit of as determined by AASHTO T-89:

What are the essential laboratory test for soil classification¿

The depth of the weakened plain joints Should be at all time not less than:

The bowl-shape holes of varying sizes in the pavement, resulting from localized disintegration:

What is the weight of class “A” Riprap stones:

Memorandum Circular No.___ hereby directed that all materials men in charge in a said project keep a logbook on Materials Quality Control.

A Department Order, hereby directed that only test report issued by the Regional or District laboratories of the Department and other testing laboratories accredited by the DPWH shall be allowed to be used in the acceptance or rejection of construction materials.

To avoid hitting a waterfall, realignment of the route must be done. Being a new road that will pass through loose of heterogeneous strata,auger borings should be made on the proposed alignment at an average interval of:

The placing temperature for bituminous mixture measured in the truck prior to dumping.

Unsuitable materials are soils with liquid limit exceeding:

A test that covers the quantitative determination of bitumen in hot mixed paving mixtures and pavement samples for specification acceptance, service evaluation, control and research:

The plasticity index for mineral filler used for Hot Plant Mix Bituminous Pavement:

The materials passing the 19mm sieves for item 201 shall have a soaked CBR value tested according to AASHTO-T193

Interconnected cracks forming a series of small blocks resembling an alligator’s skin or chicken wire is called:

The coarse portion, retained on a 2.00 mm(#10) sieves for item 201 shall have a mass percent wear by the Los Angeles Abrasion Tests:

The separation of the pavement due to natural causes, traffic actin or reflections from an underlying pavement: