What is the test frequency of concrete compressive and flexural strength?

How many set of concrete beam specimen are you going to prepare for 800m3 of concrete mix?

Concrete specimen in a molded in a 6" diameter by 13" cylinder should be rodded _____ times per layer.

Concrete specimen molded in a 6" x 6" x 21" should be rodded _____ times per layer.

Maximum temperature of fresh concrete.

Immersion depth of thermometer when getting fresh concrete temperature.

Used to monitor the consistency of unhardened concrete.

How many strokes per layer is applied on slump test?

What is the approximate depth of the first layer of slump test

What is the approximate depth of the first plus second layer on slump test?

Water curing temperature for concrete samples.

Condition of concrete during compression test.

Specimen test at 28 days shall be broken within the permissible time tolerance of _____ ?

Criteria for acceptance of concrete.

Concrete deemeed to be not acceptable using compressive strength criteria may be rejected unless the contractor can provide evidence by means of coring. Concrete represented by cores will be considered if:

Truck mixer mixing speed shall be within _____ .

Maximum drop height of placing concrete mixture shall be _____ .

Prestressed concrete requires the use of Class ___ concrete.

What is the minimum cement content per m3 on a Class C concrete?

The boundary between sand and gravel is ___.

Concrete not placed within ____ minutes from the time the ingredients were charged into the mixing drum shall not be used.

For sampling of sand from stockpile, what is the size of tube to be inserted in the pile at random location?

What is the unit weight of steel?

Whay is the unit mass of a 10mm diameter RSB?

What is the nominal weight of 16mm diameter x 6m length RSB?

What is the permissible variation in actual weight of a steel bar from theoretical weight?

You are an experienced materials engineer of your firm. During compaction you found out that the soil is too wet. What economical recommendation will you give?

Clays when removed from the borrow pits come out in the form of chunks. If you are the assigned materials engineer in the field, what is the most suitable compacting equipment will you recommend?

As an experienced field materials engineer, without the aid of laboratory equipment, it happens that your sample is hard. What practical method will you se in determining wheter your hard sample is soil or rock?

A materials engineer can easily identify whether the soil sample is plastic without the aid of laboratory equipment.

What is the estimated diameter of the soil thread when rolled between tue palm of the hand and the glass plate begins to crumble in plastic determination?

You are the materials engineer of a construction firm doing earth road construction. During the progress of construction a highliy organic soil was encountered. What will you recommend to your firm?

You are the materials engineer of your firm. It so happen that in the preparation of the as-staked plans it was found out that there was an increase and new additional items of work from the original quality control program submitted.

If there is a strength deficiency in the concrete specimens and it is not feasible or not advisable to obtain cores from the structure due to structural considerations, as a materials engineer, what will you recommend?

Vibratory steel wheel roller for compaction shall have a minimum mass of ___ tons.

Free haul distance if not provided in the contract shall be _____.

What type of concrete specimens shall be taken in pavement structure?

Flexural strength of Protland Cement Concrete Pavement (PCCP) when tested at third point?

What is the mininum required cement content per cubic meter of concrete to meet the minimum strength for Item 311 PCCP?

What is the maximum spacing for operating vibrators?

In no case shall the vibrator be operated longer than ___ seconds in one location.

Sawed construction joint shall be created by sawing groves in the surfacenof the pavement of the width not more than ___ mm and depth not less than ___ mm.

Sawing of the joint shall commence as soon as concrete has hardened sufficiently to permit sawing without excessive raveling usually _____ hours

When there is an interruptions of more than 30 minutes in concreting operations, no transverse joint shall be constructed within ___ meters of an expansion joint, contraction joint, or weakened plane joint.

The brooming corrugation on pavement shall be uniform in appearance and not more than ___ mm in depth.

Concrete pavement surface when tested with a 3m straight edge shall have a maximum surface deviation of _____?

If the strength requirement for Item 311 PCCP does not meet the strength requirement and is not feasible to obtain cores, payment of concrete will be made at an adjusted price due to strength deficiency. What is the strength percent deficiency of the specimen for the item to be paid 100 of contract price?

How many cores shall be obtained on each lot for pavement thickness determination

When any core is deficient by more than 25mm, additional cores shall be taken at what interval parallel to the center line in each direction from the affected location?

When average thickness of the pavement per lot is deficient by more than 25mm. What will be the price adjustment?

What is the degree of compaction of soil if the wet density is 2200 kg/m3 with an actual moisture content of 10.2% and maximum dry density of 1960 kg/m3?

Prime coat shall be left undisturbed for at least _____.

_______ is applied on existing bituminous or cement concrete surface.

Classification of soil which 35% or less the particles pass through #200 sieve.

Classification of soil which 35% or more of the particles pass through #200 sieve.

The minimum penetration of the preservative into the surface of the timber shall be ______?

How many hours do aggregate stockpile or binned for draining before being batched?

Cast in place concrete shall not be post-tensioned until at least ____ days and until the compressive strength has reached the strength specified.

Tests for course aggregate include ______.

Test for fine aggregate include ________.

Quality determination of concrete coarse aggregate sample requires ______.

It is particles of rock which pass #3 sieve and retained on a #10 sieve.

Pouring permit duly approved and issued by

In conducting AASHTO T96, what is the diameter of steel spheres used?

Scales for weighing aggregates and cement shall be accurate within ___% throughout the range of use. Scales shall be inspected and sealed as often as the Engineer may deem necessary to assure their continued accuracy.

How many spheres are used in abrasion test grading A at 500 revolutions?

Submission of sample for testing for cement is _____.

______ is the slump of workable concrete if vibrated.

Which plasticity index is most suitable for aggregate base course? The fraction passing the 0.425mm (#40) shall have a liquid limit not greater than 25 and plasticity index not greater than 6.

______ is the method in determining the strength of concrete pipes.

If an asphalt pavement will be constructed over an old existing concrete pavement, ________ should be applied to the concrete pavement.

Coarse aggregate for Bituminous Macadam Pavement should be ______.

Unless otherwise specified in the special provision, the type of Portland cement used in paving concrete shall be ______.

During construction of a road project, if all the materials to be used are tested for quality, inspection are no longer required

The degree of compaction of an embankment in our present specification is based on ______.

A soil with a Group Index of 5 is stronger than another with a Group Index of 10.

This typical material of this group is fine beach sand or fine desert blow sand without silty clay fines or with very small amount of non-plastic silt.

Rock excavation consist of igneous, sedimentary, or metamorphic rock which cannot be excavated without blasting or the use of rippers, and all boulders or other detached stone each having a volume of ______.

What is the minimum quantity per linear meter for steel pipes galvanized?

A sample from a bituminous mix weighs 1000 grams. At extraction, it was found out the the dry aggregate weighed 950 grams. What is the % of asphalt by weight of mix?

The contractor shall submit in writing a job mix formula for the mixture supported by laboratory test daya along with samples of resources of components and viscosity - temperature relationships to the engineer for testing and approval at least _____.

The penetration test is an indication of the _____ of asphalt.

Specification requires 1 quality test for every _____ of asphalt

_____ is an indication that the asphalt mix is overcooked.

In soil, all boring shall be carried to a depth of at least ______ below the grade line.

_______ is the moisture in an air dried soil.

In which DPWH item is emulsified asphalt not suitable?

Asphalt cement shall not be used while it is foaming nor shall be heated at _____ anytime after the delivery

How many gradation ranges for hot asphalt mix bituminous pavement are there in the blue book?

What is the plasticity index of mineral filler?

Paint contains ______ of pigment and ______ vehicle.

If the dry stability is 1300psi, wet stability is 1250psi, and air voids of 3%, what is the index of the retained strength?

_____ is the temperature tolerance of mix in bituminous after job-mix is established.

In a soil exploration, if the characteristic of rock is questionable, the minimum depth of boring into the bedrock should be ______.

When group index = 0, what is the grade of soil?

______ is the limit were further loss of water due to evaporation which will not result in reduction of volume.

It evaluates the quality of the soil as highway subgrade material.

Failed sample does not neccessary mean that the structure it represents is defective. Why?

Before the project starts the Materials Engineer or technician must have a program on how many samples for each item of work should be tested based on minimum testing requirements. What program or report is this?

As the work progresses the Materials Engineer should know how many samples have been submitted and tested, in other words the Materials Engineer must refer to what report so that he/she may be updated on the balance and on file quality test of the construction materials being used in the project?