Which condition is most suitable for applying the direct ranging method?
Correct answer: D. The two end stations are mutually visible
- A. The two end stations are separated by dense vegetation
- B. The ground has steep undulations
- C. The survey line crosses a building
- D. The two end stations are mutually visible
Explanation
Direct ranging is used when the end stations can see each other. If the stations are not intervisible, indirect or reciprocal ranging is required.
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Surveying covers measurement of distances, angles and elevations, traversing, levelling, contouring, plane table work, theodolites, total stations and basic photogrammetry. It includes error adjustment, coordinate calculations, area and volume determination, and the distinction between accuracy and precision, as well as between temporary and permanent adjustments.
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