Correction for pull is ............

One of the tacheometric constants is additive, the other constant, is ............

The most commonly used set of theodolite operations are ............

An example for instrument error in leveling is ............

During secular variation of magnetic meridian at different places ............

To use the Abney clinometer as Abney level the vernier should read ............

Locating the position of plane table station with reference to three known points, is known as ............

The method of surveying used for determining the relative height of points on the surface of the earth is called .......…

The contour interval depends upon the ............