The angle of intersection of a curve is the angle between

The telescope of a Dummy level

The principle of optics used in the construction of an optical square is

For the construction of highway

Pick up the most accurate statement from the following.

The survey done to fix the property lines, to calculate land area for transfer of land property from one owner to anothe…

While doing levelling in undulating terrain, it is preferable to set the level on:

Reading of the metric levelling staff can be taken accurately up to

Planimeter is used for measuring