A rapid sand filter provided in a town have undisturbed depth of 0.55 m. The average settling velocity and specific gravity of filter media particles are 4 cm/s and 2.5 respectively. After cleaning of filter by backwash the head loss through filter per meter depth is 0.6 m/m. The backwash velocity during washing of filter is cm/s.

A rapid sand filter provided in a town have undisturbed depth of 0.55 m. The average settling velocity and specific gravity of filter media particles are 4 cm/s and 2.5 respectively. After cleaning of filter by backwash the head loss through filter per meter depth is 0.6 m/m. The backwash velocity during washing of filter is cm/s.

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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Time and time related variables in engineering

Time is the event progression starting from past to present and then, future statistically. The time-related variable is any particular value in relation to time to assess its changes on a specified (XY) plane.

Question

A rapid sand filter provided in a town have undisturbed depth of 0.55 m. The average
settling velocity and specific gravity of filter media particles are 4 cm/s and 2.5
respectively. After cleaning of filter by backwash the head loss through filter per
meter depth is 0.6 m/m. The backwash velocity during washing of filter is
cm/s.

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