What is the terminal settling velocity of a particle with a specific gravity of 1.4 and a diameter of 0.010 mm in 20 ̊C water? (b) Would particles of the size in part a be completely removes in a settling basin with a width of 10.0 , a depth of 3.00 m, a length of 30.0 m, and a flow rate of 7,500 m3/d? Answer yes or no, and prove with calculations. (c) What is the smallest diameter particle (in micrometers) of specific gravity 1.4 that would be removed in the sedimentation basin described in part b?

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter2: Origin Of Soil And Grain Size
Section: Chapter Questions
Problem 2.14P: A hydrometer test has the following result: Gs = 2.65, temperature of water = 26 C, and L = 10.4 cm...
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You are evaluating the performance of a settling basin within a drinking water treatment plant.
(a) What is the terminal settling velocity of a particle with a specific gravity of 1.4 and a diameter of
0.010 mm in 20 ̊C water?
(b) Would particles of the size in part a be completely removes in a settling basin with a width of 10.0 , a
depth of 3.00 m, a length of 30.0 m, and a flow rate of 7,500 m3/d? Answer yes or no, and prove with
calculations.
(c) What is the smallest diameter particle (in micrometers) of specific gravity 1.4 that would be removed
in the sedimentation basin described in part b?

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