The least-squares method is used for traverse adjustment when angular measurements are more precise than linear measurements. It minimizes the sum of the squares of the residuals, ensuring the best possible adjustment for both linear and angular observations.


The bacteria mainly responsible for crown corrosion in a sewer is ___________.
In the context of construction materials, which of the following statements is/are CORRECT?
Pick one or more CORRECT statement(s) from the choices given below, in the context of upstream and downstream cut-offs provided below the concrete apron of weirs/barrages constructed across alluvial rivers.