please solve parts 7, 8 and 9, thanks for your help Question 1: True/False questions True or False16The lower the water turbidity, the higher theallowable scour velocity in sedimentation tank.( )2 Coagulation process is the conventional processused to remove color, turbidity and bacteria fromwater. (7The process in which coagulant is added with toneutralize the negative charge of the colloidalparticles and remove the electrical double layer iscalled compression of electrical double layer (The required dose of coagulant can be determined byperforming jar test. ( )3 The axial-flow impeller provides more turbulence 8and is used for rapid mixing ( )The process in which high concentration ofmonovalent cation is added to water to compress theionic cloud is called sweep coagulation. (4Ferric salts have a wider pH range for effective 9coagulation than aluminum (For mixed-media filter the layer of anthracite is usedto catch the very fine particles ( )5 Water with low turbidity requires more coagulant 10 For filtration process: when the water level rises toto be treated. (the point that the filter bed must be cleaned. Thispoint is called terminal head loss ( )

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GS om E 7 The required dose of performing jar test. ( nce 8 = 9 coagulant can be determined by ) The process in which high concentration of monovalent cation is added to water to compress the ionic cloud is called sweep coagulation. ( ) For mixed-media filter the layer of anthracite is used to catch the very fine particles (

GS om E 7 The required dose of performing jar test. ( nce 8 = 9 coagulant can be determined by ) The process in which high concentration of monovalent cation is added to water to compress the ionic cloud is called sweep coagulation. ( ) For mixed-media filter the layer of anthracite is used to catch the very fine particles (

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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