A sedimentation tank of $$20\mathrm{m} \times 5\mathrm{m} \times 3\mathrm{m}$$ receives a flow of $$1200\mathrm{m}^3 /\mathrm{day}$$ continuously. The detention time of sedimentation tank will be... hours.

GitBook practice — Set 6 (Ashoj, 2081)