The desirable multiplying and additive constants for a tacheometer ............

Short offsets are measured with ............

A surface which is normal to the direction of gravity at all points as indicated by a plumb line is known as ...........…

Contour lines ............

The image formed by the objective in the plane of cross hairs is ............

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…

While measuring a chain line between two stations A and B intervened by a raised ground ............

The following readings correspond to the check at the end of a page of level field book but they are not given in the or…

The difference between the sum of the angles of a spherical triangle on the earth's surface and the angles of the corres…