2025/2026 COMPLETE QUESTIONS BANK
AND CORRECT DETAILED ANSWERS WITH
RATIONALES || 100% GUARANTEED PASS
<RECENT VERSION>
1. What is the difference between compaction and density? -
ANSWER ✔ Compaction is the process used to achieve density,
the product.
2. List the governing order of documents. - ANSWER ✔ 1) Special
Provisions
2) Technical Special Provisions
3) Plans (including revisions)
4) Design Standards
5) Developmental Specifications
6) Supplemental Specifications
7) Standard Specifications
3. What kind of density is the weight of soils, solids, and water
occupying a unit volume? - ANSWER ✔ Wet Density
4. What kind of density is the weight of just soils and solids
occupying a unit volume? - ANSWER ✔ Dry Density
5. Which Proctor Test is typically used for base, subgrade, and MSE
wall backfill materials? - ANSWER ✔ Modified
,6. Which Proctor Test is typically used for embankment and structure
backfill materials? - ANSWER ✔ Standard
7. For the Modified Proctor, what is the required Maximum Density?
- ANSWER ✔ 98%
8. For the Standard Proctor, what is the required Maximum Density?
- ANSWER ✔ 100%
9. What is the ratio of the bearing capacity of the material being
tested to the bearing capacity of reference limerock? - ANSWER
✔ Limerock Bearing Ratio Test (LBR)
10. The standard penetration resistance for a typical crushed
limerock in Florida has been standardized to what psi? - ANSWER
✔ 800 psi
11. What is the method number for the Standard Proctor? -
ANSWER ✔ AASHTO T-99
12. What is the method number for the Modified Proctor? -
ANSWER ✔ FM 1 T-180
13. Is the LBR value affected by moisture at the time of
compaction? - ANSWER ✔ Yes
14. What material can be used anywhere in the embankment? -
ANSWER ✔ Select (A-3, A-4)
15. Where is thick lift compaction not allowed? - ANSWER ✔
Soil Envelope
, 16. What is the density requirement within the Cover Zone when
top of pipe is greater than 15 inches below the bottom of base? -
ANSWER ✔ 95% of AASHTO T-99
17. What is the density required in the Lowest Zone? -
ANSWER ✔ Match the density of soil in the trench
18. What is the verification density testing frequency for pipe
and structures? - ANSWER ✔ 1 per 4 LOTs
19. How are testing locations determined and who are they
approved by? - ANSWER ✔ Determined by random number
generator and approved by the Engineer or Department
20. How should geosynthetic materials be delivered to the job
site? - ANSWER ✔ In unopened shipping packages
21. Why would the Engineer reject the material at time of
installation? - ANSWER ✔ If it has defects, tears, punctures,
flaws, deterioration, or other damage
22. To prepare for soil slope, what needs to be removed? -
ANSWER ✔ All existing vegetation and all unsuitable foundation
materials
23. To prepare a soil slope, proof roll the graded area with a
vibratory roller weighing a minimum of how many tons or a
sheepfoot roller exerting a compression of how many pounds psi
on the tamper foot at least five passes in the presence of an
Engineer? - ANSWER ✔ 8 tons; at least 250 lb psi