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

________ is the heat produced by the chemical reaction of cement and water.

The strength of #5 steel bar that was tested for; Yield Load = 13,000 lbs. Ultimate Load = 30,000 lbs. Determine the grade of steel?

Slump test could be used to detect

Most effective factor for strength of concrete;

A minimum cement factor of _____ bags/cu.m. of concrete for paving concrete (based on 94 lbs bags of cement)

At least one (1) set of 3 cylinder samples shall be taken from ______ cu.m. of each class of concrete of fraction thereof, placed each day

What test of cement determines the amount of water required to prepare hydraulic cement testing?

Concrete admixtures used when the normal setting time is shortened by higher temperature, preventing the formation of cold joint, reduce the incidence of thermal cracking and to maintain concrete workability during large pours or long ready-mix hauls;

Concrete specimen molded in a 6" x 6" x 21" beam mold should be rodded

If the concrete beam specimen is raptures during test outside the middle third, but within 5% of the span length, the formula to be used in computing the stress is

Ends of cylinder samples which are not plane within ______ shall be capped.

Quality determination of concrete coarse aggregate sample requires

An angular coarse aggregate use for concrete mix will provide more;

The desired property of fresh concrete is

A concrete road section was not accepted for payment because beam samples representing said section failed to meet specified strength requirements. As Materials Engineer of the project, what would you recommend?

Required weight of sample for testing for fine aggregates used for concreting;

improved if water-cement ratio is lowered

Number of hours that concrete cylinder sample to be submitted to the laboratory before testing;

Most effective factor for strength of concrete;

The sieve used in the seperation of aggregates after the abrasion test js

Required weight of sample for testing for coarse aggregates use for concreting;

Paving concrete will need less _____ than structural concrete

Tests for coarse aggregate include

Most specifications for concrete exposed to weathering require that water-cement ratio;

Admixtures are used to

No.of sets of concrete cylinder sample taken for every 75 cu.m. of concrete;

Greatest net water is required in a concrete mix with

Angular coarse aggregate will require more ______ per unit volume of concrete

_______ are materials added to the concrete mix immediate before or during mixing to modify one or more properties of concrete in the fresh or hardened state

Test for fine aggregate for concrete include

The samples of RSB to be submitted for test should be at least

Thickness determination of concrete cores shall be done at;

In molding concrete cylinder specimen, each layer should be rodded _____ times.

Concrete fine aggregate should be tested for

The used of manufactured fine aggregates will generally require more

There is a failure of flexural strength in the pavement, if you are the ME of your firm, what will you recommend?

In breaking cylinder samples, the load should be applied at a uniform rate within the range of _______ per minute.

There is a failure of flexural strength in the pavement, if you are the ME of your firm, what will you recommend?

Concrete cylinder sample should be molded in _____ equal layers

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

The volume of the _______ can be calculated by performing the unit weight test on the fresh concrete

The coarser the fine aggregates, the higher the fines modulus.

The more the concrete is exposed, the greater the range of movement is.

In placing concrete for slab using buggies, the correct method will be.

Concrete beam specimens for paving concrete are molded in

The two (2) major components of concrete are.

For Item 311 PCCP, coarse aggregate shall have a mass percent of wear not exceeding ______ when tested by AASHTO T-96