Construction-101 Quiz

1. Purpose of EM 1110-2-1913 manual (Ch 1-1)?

A) Dam design criteria B) Earth levee design & construction C) Seepage analysis only D) Floodwall standards

2. Manual applies to all (Ch 1-2)?

A) Navigation locks B) Corps Divisions/Districts C) Private levees only D) Coastal barriers

3. First step in levee design procedure (Table 1-1 Step 1)?

A) Geological study + preliminary explorations B) Compute final quantities C) Design slope protection D) Select contractor

4. Phase I exploration includes (Ch 2-4)?

A) Final borings only B) Boring and sampling techniques C) Embankment compaction D) Riprap placement

5. Levees differ from dams because (Ch 1-3)?

A) Short-term flood loading only B) Permanent water retention C) Higher heights typically D) Concrete construction

6. Step 5 divides levee into (Table 1-1)?

A) Single uniform section B) Reaches of similar conditions C) 100ft increments D) Material type only

7. Critical section side slopes (Ch 3-1)?

A) 1V:3H B) 1V:2H C) 1V:4H D) 1V:5H

8. Minimum crown width required (Ch 3-3)?

A) 10 ft B) 6 ft C) 14 ft D) 20 ft

9. Critical section freeboard minimum (Ch 3-3)?

A) 2 ft B) 1 ft C) 3 ft D) 5 ft

10. Stable section side slopes (Ch 3-1)?

A) 1V:4H B) 1V:3H C) 1V:2H D) Vertical

11. Step 6 analyzes for (Table 1-1)?

A) Cost estimates only B) Underseepage, stability, settlement C) Borrow quantities D) Trafficability only

12. Final step before construction (Table 1-1 Step 10)?

A) Design embankment slope protection B) Conduct geological study C) Final borings D) Borrow excavation

13. Embankment compaction minimum (Ch 4-2a)?

A) 90% Proctor B) 80% Proctor C) 70% Proctor D) 95% Proctor

14. Foundation stripping depth typical (Ch 4-1d)?

A) 6-12 inches B) 2-4 inches C) 18-24 inches D) 36 inches

15. Maximum lift thickness before compaction (Ch 4-2b)?

A) 12 inches B) 9 inches C) 6 inches D) 18 inches

16. Filter criteria D15/D85 ratio (Ch 4-5a)?

A) ≤ 5 B) ≤ 10 C) ≤ 25 D) ≤ 50

17. Core zone compaction requirement (Ch 4-2c)?

A) 95% Standard Proctor B) 80% Proctor C) 90% Modified Proctor D) 85% Standard Proctor

18. Slope protection riprap minimum size (Ch 4-7a)?

A) 12 inches B) 6 inches C) 18 inches D) 24 inches

19. Soft foundation treatment method (Ch 4-3)?

A) Remove all soft material B) Displacement by fill weight C) Deep excavation D) Chemical stabilization

20. Embankment construction classified by (Ch 4-1 Table 4-1)?

A) Height only B) Construction methods used C) Soil type only D) Location

21. Primary seepage concern for levees (Ch 5-1)?

A) Through seepage only B) Underseepage C) Overtopping D) Surface erosion

22. Relief wells typical spacing (Ch 5-2b)?

A) 4-6 ft B) 10-15 ft C) 20-30 ft D) 50 ft

23. Underseepage control method (Ch 5-2a)?

A) Horizontal blanket drains B) Vertical cutoff walls C) Toe drains only D) Riprap alone

24. Seepage exit gradient limit (Ch 5-3)?

A) 0.8 (critical) B) 1.2 C) 0.5 D) 1.0

25. Stability analysis required for (Ch 6-1)?

A) All levee sections B) Critical sections only C) High levees >20ft D) Soft foundations

26. Minimum FOS for steady seepage (Ch 6-2)?

A) 1.4 B) 1.2 C) 1.6 D) 1.0

27. Rapid drawdown FOS minimum (Ch 6-2)?

A) 1.2 B) 1.5 C) 1.0 D) 1.4

28. Settlement analysis considers (Ch 6-3)?

A) Embankment only B) Foundation consolidation C) Seepage forces D) Traffic loads

29. Trafficability concerns (Ch 6-4)?

A) Construction equipment during placement B) Flood fighting vehicles C) Inspection vehicles only D) Maintenance trucks

30. Final construction drawings include (Ch 6-5)?

A) Conceptual sketches B) Detailed cross-sections per reach C) Borrow pit layouts only D) Seepage calculations

🚧 Construction-101: Earth Levee Design