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ASSIGNMENT QUESTIONS - 14070_503
ASSIGNMENT QUESTIONS - 14070_505

Engineering Aid 1 - Advanced Structural engineering guide book
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ASSIGNMENT 2 Textbook Assignment:   "Field Astronomy and Triangulation." Pages 15-24 through 15-41. "Soils:   Surveying   and   Exploration/Classification/Field Identification."Pages  16-1  through  16-4. Learning  Objective:  Identify the principles and practices used in the triangulation method of surveying. 2-1. What is the major difference between traversing and triangulation? 1. Distances must be measured from each station in triangulation but not in traversing 2. Distances must be measured from each station in traversing but not in triangulation 3. Angles must be measured from each station in triangulation but not in traversing 4. Angles must be measured from each station in traversing but not in triangulation 2-2. What condition requires the triangulation method to be used? 1. When a high degree of precision is  required 2. When EDMs are being used 3. When chaining is not possible due to terrain 4. When angles cannot be turned at each station due to obstructions 2-3. Which of the following duties should the party chief perform during a triangulation survey? 1. Head chainman 2. Rear chainman 3. Note keeper 4. Instrumentman 2-4. Who should perform the computations to determine horizontal locations of the points in the triangulation system? 1. Rear chainman 2. Instrumentman 3. Office  personnel 4. Party  chief 2-5. In a triangulation system, the beginning and ending distances are measured for what purpose? 1. To establish base lines for determining the distances of the other lines 2. To begin and close the triangulation net accurately 3. To establish base lines for checking the computed distances of the other lines 4. To provide the only distances required for the survey 2-6. What is one of the disadvantages of using the chain of single triangles? 1. Cannot be used for narrow areas 2. Provides no means of cross-checking computed distances 3. Cannot be used for inaccessible points 4. Requires the most calculations of any method 2-7. When discussing triangulation figures, to what does a chain of  polygons  refer? 1. A single chain of triangles 2. A chain of quadrilaterals 3. Both 1 and 2 above 4. A system of triangles forming a  polygon 8







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