Accuracy of elevation of various points obtained from contour map is limited to ............

The perpendicular offset from a tangent to the junction of transition curve and circular curve is equal to ............

Contour lines cross ridge or valley lines at ............

In case of a direct vernier scale ............

If the fore bearing of a line is 36°15', its back bearing will be ............

The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectivel…

A freely floating needle slightly gets inclined to the horizontal anywhere except on the equator. It is called .........…

For indirect ranging, number of ranging rods required is ............

The most commonly used set of theodolite operations are ............