Surveying - Engineering

Q1:

Check lines (or proof lines) in Chain Surveying, are essentially required

A to plot the chain lines

B to plot the offsets

C to indicate the accuracy of the survey work

D to increase the out-turn

ANS:C - to indicate the accuracy of the survey work

To indicate the accuracy of the survey
Check lines (or proof lines) in chain surveying are provided to check the accuracy of the work.