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Q: Which one of the following triangles is most accurately plotted in chain surveying?
  • A. Equilateral triangle
  • B. Right angled triangle
  • C. Isosceles triangle
  • D. Obtuse angled triangle
Correct Answer: Option A - The principle of chain survey or chain triangulation, as is sometimes called, is to provided a skeleton of framework consisting of a number of connected triangles, as triangle is the only simple figure that can be plotted from the lengths of its sides measured in the field to get result in plotting, the framework should consist of triangles which are as nearly equilateral.
A. The principle of chain survey or chain triangulation, as is sometimes called, is to provided a skeleton of framework consisting of a number of connected triangles, as triangle is the only simple figure that can be plotted from the lengths of its sides measured in the field to get result in plotting, the framework should consist of triangles which are as nearly equilateral.

Explanations:

The principle of chain survey or chain triangulation, as is sometimes called, is to provided a skeleton of framework consisting of a number of connected triangles, as triangle is the only simple figure that can be plotted from the lengths of its sides measured in the field to get result in plotting, the framework should consist of triangles which are as nearly equilateral.