0 0 votes The depth of flow (in m, rounded off to two decimal places) in a hydraulically efficient rectangular channel $(n=1 / 80)$ to carry a discharge of $64 \mathrm{~m}^{3} / \mathrm{s}$ at bed slope $0.01$ is ___________. Environmental Hydraulics gatees-2022 environmental-hydraulics + – admin 5.3k points answer 0 reply