The projection of a traverse line on a line parallel to the meridian is known as ......... of the line.

In the prismatic compass ............

The bubble tube is nearly filled with ............

The true or geographical meridians through the various stations ............

The error in measured length due to incorrect holding of chain is ............

The ranging of the line between two stations across raised ground is called ............

In a whole circle system, the bearing of a line is measured ............

Let the angular value of one graduation of a tube of length x be \theta seconds and R be the radius of its internal curv…

In route surveys, the most suitable method of contouring is ............