The branch of surveying in which both horizontal and vertical positions of a point, are determined by making in instrumental observations, is known ............

Contour lines look to cross each other in case of ............

The distance between steps for measuring downhill to obtain better accuracy ............

The instrument used for setting out an offset at a right angle, is called ............

A simple circular curve is designated by ............

When R is the radius of the curve (in metres), D is the degree of curve (in degrees) and length of the chord is 30 m, th…

The method of finding out the difference in elevation between two points for eliminating the effect of curvature and ref…

The zero of the graduated circle of prismatic compass is located at ............

Which of the following error is not eliminated by the method of repetition of horizontal angle measurement?