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ASSIGNMENT QUESTIONS - 14069_755
ASSIGNMENT QUESTIONS - 14069_757

Engineering Aid 3 - Beginning Structural engineering guide book
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12-18. In the plotting of cross sections, the  vertical  scale  relates  to  the horizontal scale in which of the following  manner? 1. 2. 3. 4. The vertical scale must be equal  to  the  horizontal  scale The vertical scale must be exaggerated  from  the horizontal  scale The  vertical  scale  may  be equal to the horizontal scale, or it may be exaggerated for clarity The vertical scale is usually less  than  the  horizontal scale, but it may be equal or exaggerated for clarity IN  ANSWERING  QUESTIONS  12-19  THROUGH  12-21, REFER TO FIGURE 14-29 IN YOUR TEXTBOOK. 12-19. The plotted cross sections are called  irregular  for  what  reason? 1. Sections are plotted at a full station and at a section between  two  full  stations 2. The  vertical  and  horizontal scales  are  different 3. Intermediate  elevations  are plotted  at  varying  distances from the center line 4. More elevations were plotted for  the  section  at  station 11 + 00 than for the section at station 11 + 43 12-20. Notice that the cross-section notes show  only  two  ground  elevations  to the right of the center line at station 11 + 43. Assume  that  an additional  reading  could  have  been obtained at a point 10 feet to the right of the center line but was not. Refer to the plotted cross section  of  the  station  and  furnish the entry for this point. 2.6 feet? 1. 2. 3. 1. 10 (80.1) 5.1 2. 10 8.6 (67.0) 3. 10 2.4 (74.3) 12-21. The HI for station 14 + 00 is 1. 76.70 2. 78.90 3. 81.60 4. 85.22 12-22. What points are plotted in a three-level  section? 1. The roadway edges, slope stakes,    and  center  line 2. The depth of cut or fill and the amount of earth to be moved 3. The  left-hand  slope  stake, right-hand slope stake, and center  line 4. The  left-hand  roadway  edge, right-hand roadway edge, and center  line 12-23. During what stage of a road construction project are “blue tops”    used? 1. Rough  grading 2. Clearing and grubbing 3. Final  grading 4. Paving 12-24. The natural earth surface below the pavement of a highway is called the 1. final grade 2. finish  grade 3. rough  grade 4. subgrade 12-25. Which of the following markings on a grade stake indicates a cut of 4. Each of the above 12-26. You wish to indicate a cut of 2.6 feet on a stake that is not a centerline stake. You  should  write the cut information on what part of the stake? 1. Front 2. Back 3. Right  side 4. Left side 4. 10 9.7 (67.0) 84







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