Levelling deals with measurements in

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

The working from whole to the part is done in surveying in order to ensure that

Which of the following can fulfill the objective of the airport survey?

The most commonly used set of theodolite operations are

The following sights are taken on a "turning point"

Invar tapes are made of an alloy of

The length of a traverse line (L) may be obtained by

An advantage of plane tabling is