If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed ............

An angle between the inclined line of sight and the horizontal is called ............

On a diagonal scale, it is possible to read up to ............

Survey is conducted at 40° C and the measured length was 5 km. If the chain was standardized at 20° C and co-efficient o…

Survey plotting can be done with an accuracy of ............

A tie line in a chain surveying ............

The error which is not completely eliminated in reciprocal levelling is ............

Collimation method is use in ............

The principle of working from whole to part is used in surveying because ............