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ASSIGNMENT QUESTIONS - 14069_759
ASSIGNMENT QUESTIONS - 14069_761

Engineering Aid 3 - Beginning Structural engineering guide book
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A S S I G N M E N T  13 Textbook  Assignment: “Materials Testing: Soil and Concrete.” pages 15-1 through 15-39. “Administration.” Pages 16-1 through 16-14. 13-1. Which of the following substances is/are  enclosed  by  the  mineral grains  in  a  soil  mixture? 1. Air or gases only 2. Water only 3. Organic matter only 4. Voids  containing  air,  gases, water,    and  organic  matter  or any  combination  of  these 13-2. Rock is classified into how many 13-3. 13-4. groups? 1. One 2. Two 3. Three 4. Four What type of rock is formed from the  accumulation  and  cementing  of plant and animal remains? 1. Metamorphic 2. Sedimentary 3. Igneous 4. Organic By what process are residual and transported  soils  formed? 1. Disintegration 2. Weathering 3. Decomposition 4. Atmospheric exposure IN ANSWERING QUESTIONS 13-5 THROUGH 13-7, SELECT THE KEY WORDS OR PHRASES THAT BEST MATCHES THE TYPE OF SOIL LISTED. A. FRESHWATER  LAKE B. ESKERS c. LOESS D. IN-PLACE  WEATHERING 13-5. Residual soil. 1.   A 2.   B 3.   C 4.   D 13-6. Lacustrine  soil. 1.   A 2.   B 3.   C 4.   D 13-7. Glacial soil. 1.   A 2.   B 3.   C 4.   D 13-8. According to the Unified Soil Classification  System,  materials retained on the No. 200 sieve and passing the No. 4 sieve are classified  as 1. coarse  grained 2. sands 3. fines 4. medium  fines 13-9. Which of the following bulky particle shapes is considered to be the most desirable for construction  purposes  because  of its  interlocking  characteristic? 1. Rounded 2. Subrounded 3. Subangular 4. Angular 13-10. A well-graded soil consists of which  of  the  following  particle sizes? 1. Only  intermediate  sizes 2. Large and small sizes only 3. Uniformly  graded  sizes 4. A  good  representation  of  all sizes 13-11. A well-graded soil provides which of  the  following  conditions? 1. Maximum  displacement  of particles 2. Maximum density and stability of  particles 3. Minimum  displacement  of  voids 4. Each of the above 13-12. In most inorganic soils, the specific  gravity  of  the  solid substance  has  what  minimum  to maximum  range? 1. 2.60 and 2.65 2. 2.60 and 2.80 3. 2.65 and 3.00 4. 3.00 and 3.50 88







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