MTT RECAPITULATION

One of the duties of the Materials Engineer is to:

• Check the geometric control of the project

• Recommend to the Project Engineer remedial measures for the corrections of unsatisfactory conditions of materials

• Prepare As-Built-Plans

• To check the required equipment needed in the project

Which of the following is a physical test of asphalt?

• Ductility Test

• Field Density Test

• Triaxial Test

• Abrasion Test

Which of the following is not a manufactured asphalt?

• Blown Asphalt

• Liquid Asphalt

• Rock Asphalt

• Asphalt Cement

The mineral filler which is used in the bituminous mix passes sieve number:

• 60

• 40

• 200

• 100

Determines the effect of water on the cohesion of the bituminous mixture:

• Marshall Test

• Immersion-Compression Test

• Extraction Test

• Mechanical Size Analysis of Extracted Aggregates

VMA means what?

• Voids in Material Aggregates

• Voids in Mineral Air

• Voids in Mineral Asphalt

• Voids in Mineral Aggregates

The mixing temperature of bituminous mix is what?

• 165°C

• 163°C

• 170°C

• 100°C

The average individual strength requirement of load bearing concrete masonry units is 5.5 MPa (800 psi). What is its average strength requirement?

• 3.45 MPa (500 psi)

• 5.5 MPa (800 psi)

• 9.9 MPa (1440 psi)

• 6.9 MPa (1000 psi)

There are two layers in performing sampling of beam samples. How many number of blows are required per layer?

• 25 blows

• 75 blows

• 63 blows

• 50 blows

The Materials Engineer of the contractor is directly under the supervision of the:

• Materials Engineer of the DPWH

• Project Engineer of the Consultant

• Project Engineer of the Contractor

• Head of Implementing Office