The main object of running a tie line is ............

The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresp…

The obstacle, which obstructs chaining but not vision is a ............

The operation of turning the table so that all the lines on the paper are parallel to the corresponding lines on the gro…

The line of collimation method of reduction of levels, does not provide a cheek on ............

When internal angles are to be subtended by a theodolite survey for closed traverse ............

For the locating a distant object visible from two transit stations, the method usually preferred to, is ............

For which of the following permanent adjustments of theodolite, the spire test is used?

When the measured length is less than the actual length, the error is known as ............