Types of Asphalt Mixtures Quiz

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What should the Contractor’s Materials Engineer do if there are problems regarding the quality of construction materials?

Report to the Contractor

Report to the Contractor’s Project Engineer

Do nothing

Report directly to the DPWH Materials Engineer (correct)

If reinforced concrete pipes are not cast in the field, how many pipes need to be subjected to the Crushing Strength test?

100 pcs.

50 pcs.

75 pcs.

70 pcs. (correct)

How many concrete cylinder samples are required for 3,500 pcs. of reinforced concrete pipes?

14 sets of 3 (correct)

75 sets of 3

140 sets of 3

None of the above

Which bitumen is obtained from the distillation of coal or wood?

Tar Signup and view all the answers

How can the viscosity of Medium-Curing Cutback Asphalt be reduced?

Mixing it with kerosene Signup and view all the answers

What establishes the exact percentage of aggregates and asphalt content in a bituminous mix?

Job mix formula Signup and view all the answers

What action should be taken if construction materials fail the initial test?

Reject materials Signup and view all the answers

What is the purpose of the Immersion – Compression test in construction material testing?

Solubility Signup and view all the answers

Why is the use of sea water not allowed in reinforced concrete?

B and C Signup and view all the answers

What happens when soil is properly compacted at MDD (Maximum Dry Density)?

All of the above Signup and view all the answers

At what temperature must asphalt construction be completed before compaction cooling?

185°F (71°C) Signup and view all the answers

Which category of contractor is required by DPWH to own minimum material testing equipment for prequalification purposes?

Medium Signup and view all the answers

Types of Asphalt Mixtures Quiz

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