Correct Answer:
Option C - Field book–All observations and measurements taken during chain surveying are to be recorded in a standard field book. It is a long book of size 20 cm × 12 cm, which can be carried in the pocket. There are two forms of the book (i) single line and (ii) double line.
C. Field book–All observations and measurements taken during chain surveying are to be recorded in a standard field book. It is a long book of size 20 cm × 12 cm, which can be carried in the pocket. There are two forms of the book (i) single line and (ii) double line.