The angle between the back tangent and forward tangent of a curve (in degrees) and length of the chord is 30 m, then the relation between R and D is ............

To orient a plane table at a point with two inaccessible points, the method generally adopted, is ............

To the sum of the first and last ordinates, ass twice the sum of the intermediate ordinates. The total sum thus obtained…

The branch of surveying in which both horizontal and vertical positions of a point, are determined by making in instrume…

The method of intersection in plane tabling is commonly used for ............

Two contour lines, having the same may cross each other only in the case of ............

The process of turning the telescope of a theodolite over its supporting axis through 180° in a vertical plane, is calle…

The principle of tacheometry is used ............

The area of any irregular figure of the plotted map is measured with ............