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SELF TEST

Instructions The following items will test your understanding of the material covered in this lesson. Print this page and compare it with the solutions that will be found at the end of this exercise. If you do not understand an answer, review the portion of the instructional material which provides the information.

1. What is the purpose of employing obstacles?

2. Give an example of a nontactical obstacle.

3. Which of the following is the more effective natural obstacle against tracked vehicles — an escarpment 1.6 meters high or a river 60 meters wide and 1.1 meters deep?

4. In what type of terrain does the punji pit serve most effectively as an obstacle?

5. When should trip flares be used with obstacles?

6. What may be used with barbed wire to make it a more effective antipersonnel obstacle?

7. Which type of ditch is the most effective as an obstacle when it is camouflaged with snow:

8. Where is the best location for a cratering charge intended to impede the advancement of enemy vehicles traveling on a road?

9. From where should the earth be obtained to fill crib roadblocks?

10. In what position should posts be placed to serve as an antivehicular obstacle?

11. What type of tree is most effective as an abatis?

12. What disadvantage do steel hedgehogs have as an obstacle?

13. Which concrete obstacle is most frequently cast in place?

14. What is the procedure which makes a truck a more effective roadblock?

15. What will make dummy road obstacles more effective?

16. In major amphibious assault operations, who is responsible for the removing of obstacles in boat lanes in 8 meters of water on ocean shorelines?

17. Where should beach obstacles cause the enemy to disembark?

18. What obstacle is placed from wading depth at high tide to wading depth at low tide?

19. What obstacle may have a post driven through it for better anchorage?

20. The hedgehog, the log ramp, the rock pillar, and the rock wall are all obstacles. Which is an expedient under water obstacle?


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Page last modified: 27-04-2005 07:25:00 Zulu