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Q: Which of the following surveys is conducted for work requiring high precision?
  • A. Plane table survey
  • B. Compass survey
  • C. Chain survey
  • D. Geodetic survey
Correct Answer: Option D - Geodetic survey– • In this survey shape of curvature of earth is considered while taking measurement. • This type of surveying being carried out for high degree of precision and adopted where large area to be surveyed. • All lines lying on surface are curved lines and they form spherical triangles.
D. Geodetic survey– • In this survey shape of curvature of earth is considered while taking measurement. • This type of surveying being carried out for high degree of precision and adopted where large area to be surveyed. • All lines lying on surface are curved lines and they form spherical triangles.

Explanations:

Geodetic survey– • In this survey shape of curvature of earth is considered while taking measurement. • This type of surveying being carried out for high degree of precision and adopted where large area to be surveyed. • All lines lying on surface are curved lines and they form spherical triangles.