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Q1. How are the triangulation systems classified? Indicate the use ofeach systems. |
| Answer» <p>Triangulation system may be classified according to</p><p>1.Degree of accuracy required</p><p>2.Magnitude of work</p><p>In primary triangulation very large areas (such as the whole country) are covered and the highest possible precision is secured. Well proportioned triangles, most refined instrument and methods of observations and computation are used.</p><p>Within the primary triangles other points are fixed at closure intervals so as to form a secondary series of triangles. Which are comparatively small∆S' are used, the instars and methods are not of the same at most refined.</p> | |