The V-shaped contour represents

A simple circular curve is designated by the

The main principle of surveying is to work

Rise and fall method is used in

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…

The total length of the curve is equal to

In order to measure the magnetic bearing of a line, the theodolite should be provided with ___

Personal error in levelling occur due to

When the first object is to be focused, the scale, is set to 0° 00'00" and then