Magnetic bearing of a survey line at any place

The box of prismatic compass is made of

The correct position of holding staff is

An imaginary line on the surface of the earth having a constant inclination with the horizontal (slope) is called

Bench marks are fixed by

During levelling if back sight is more than foresight

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

Handles of chains are made up of

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