Pantagraph is used for ............

Chain surveying is most suitable when ............

The difference between the most probable value and its observed value is ............

Anallatic lens is provided ............

The angle between the reflecting surface of a prism square is ............

Benchmark is established by ............

If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the…

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

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