A rapid sand filter is provided in a water treatment plant for a population of 2 lakh. There are 6 filters used in it, each having a surface area 40 m². Depth of each bed is 0.5 m and its porosity is 0.5. For backwashing of each filter, water is used with a discharge of 0.3 m³/s and depth of bed expands to 0.55 m. If drag force coefficient of flow is 5 and specific gravity of sand filter particle is 2.65. The effective size of particle (in mm) is (Assume backflow is in transition)

A rapid sand filter is provided in a water treatment plant for a population of 2 lakh. There are 6 filters used in it, each having a surface area 40 m². Depth of each bed is 0.5 m and its porosity is 0.5. For backwashing of each filter, water is used with a discharge of 0.3 m³/s and depth of bed expands to 0.55 m. If drag force coefficient of flow is 5 and specific gravity of sand filter particle is 2.65. The effective size of particle (in mm) is (Assume backflow is in transition)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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