In plane table surveying, resection is used primarily to determine what?
Correct answer: C. The position of the instrument station
- A. The elevation of a benchmark
- B. The magnetic declination of a compass
- C. The position of the instrument station
- D. The area of a plotted polygon
Explanation
Resection locates the occupied plane table station by sighting to points whose positions are already known. It is especially useful when the instrument station cannot be conveniently measured from known control points.
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About Surveying
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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