SOUTHEAST TEXAS CONTINUING EDUCATION ENGINEERING USE OF GEOTEXTILES

Transcription

1 EXAM No.111 ENGINEERING USE OF GEOTEXTILES 1. Which is not a use of geotextiles? A. Erosion control. B. Sediment control. C. Concrete reinforcement. D. Filtration. 2. The most common materials used in geotextiles are: A. Fiberglass and Polyvinyl chloride. B. Nylon and cotton. C. Polypropylene and polyester. D. Polyethylene and polyimide. 3. Geotextiles are generally: A. Woven. B. Bonded. C. Non woven 4. construction generally produces geotextiles with high strengths. A. Bonded. B. Knitted. C. Woven. D. Needle punching. 5. The type of bonding that mechanically causes the fibers to be entangled is known as: A. Resin bonding. B. Needle punching. C. Heat bonding. D. Combination bonding.

2 6. The durability of some geotextiles is affected by: A. Sunlight. B. Water. C. Temperature. 7. The strongest method used to join geotextiles is: A. Stapling. B. Sewing. C. Gluing. D. Heat welding. 8. The type of seam preferred for salvageable geotextiles is: A. J seam. B. Double sewn seam. C. Butterfly seam. 9. The types pf portable sewing machines used for field sewing of geotextiles were designed: A. As bag closing machines. B. By sail makers. C. By the garment industry. D. By the awning industry. 10. The openings of geotextiles should be sized: A. According to the weave pattern. B. To prevent soil particle movement. C. According to the material being woven. D. To allow free flow of water.

3 11. An example of geotextiles used as sediment control is: A. A Silt fence. B. Uses on slope after seeding. C. Uses in ditches around dams. 12. Geotextiles have been used in asphalt concrete overlays on by providing: A. Additional reinforcement. B. Separation barrier. C. A reduction of reflective cracks. D. Filtration. 13. When used as a geotextiles prevents fires from migrating into the base course. A Filter. B. Reinforcement. C. Separator. D. Erosion preventer. 14. Performance data on the use of geotextiles in the use of water control covers approximately. A. 5 years. B. 10 years. C. 15 years. D. 25 years. 15. is the ability of a geotextiles to retain solid particles. A. Filter factor. B. Porosity. C. Piping. D. Permeability.

4 16. The reduction in permeability or permittivity of geotextiles due to blocking of the pores is: A. Clogging. B. Capacity reduction. C. Hydraulic reduction. D. None of the above. 17. The use of geotextiles in railroad track construction is limited to: A. Separation. B. Filtration. C. Lateral drainage. 18. geotextiles are not recommended for use in railroad track applications. A. Bonded. B. Woven. C. Non-woven. D. Composite. 19. Geotextiles used in railroad applications should be used: A. To separate the ballast from sub ballast. B. As a drainage conduit. C. As a reinforcement of the sub grade. 20. Design considerations of a geotextiles used in bank erosion are: A. Anchorage. B. Durability. C. Strength.

5 EXAM No. 111 ENGINEERING USE OF GEOTEXTILES PLEASE SHADE THE BUBBLE THAT CONTAINS THE CORRECT ANSWER USE NO.2 PENCIL ONLY, ERASE COMPLETELY ANSWER SHEET LEAVE ANY UNUSED ANSWERS BLANK 1 A B C D 21 A B C D 41 A B C D 2 A B C D 22 A B C D 42 A B C D 3 A B C D 23 A B C D 43 A B C D 4 A B C D 24 A B C D 44 A B C D 5 A B C D 25 A B C D 45 A B C D 6 A B C D 26 A B C D 46 A B C D 7 A B C D 27 A B C D 47 A B C D 8 A B C D 28 A B C D 48 A B C D 9 A B C D 29 A B C D 49 A B C D 10 A B C D 30 A B C D 50 A B C D 11 A B C D 31 A B C D 51 A B C D 12 A B C D 32 A B C D 52 A B C D 13 A B C D 33 A B C D 53 A B C D 14 A B C D 34 A B C D 54 A B C D 15 A B C D 35 A B C D 55 A B C D 16 A B C D 36 A B C D 56 A B C D 17 A B C D 37 A B C D 57 A B C D 18 A B C D 38 A B C D 58 A B C D 19 A B C D 39 A B C D 59 A B C D 20 A B C D 40 A B C D 60 A B C D Name: Date : By signing this sheet I hereby certify that I have studied the course materials and the answers given are my own. I received no assistance with the answers on this exam. Signature: Seal or Number: FORM: E7051 REVISED 2005 Copyright 2005

6 EXAM REGISTRATION EXAM No. 111 ENGINEERING USE OF GEOTEXTILES NAME: Company: Address 1: Address 2: City : Telephone: Fax: PE Registration Number: State: Send this Exam Registration along with your completed Answer Sheet. Include check or money order in the amount of $90 for each course. No third-party checks accepted. FORM: E7051 REVISED 2005 Copyright 2005