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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
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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please solve parts 7, 8 and 9, thanks for your help 

Question 1: True/False questions True or False 1 6 The lower the water turbidity, the higher the allowable scour velocity in sedimentation tank.( ) 2 Coagulation process is the conventional process used to remove color, turbidity and bacteria from water. ( 7 The process in which coagulant is added with to neutralize the negative charge of the colloidal particles and remove the electrical double layer is called compression of electrical double layer ( The required dose of coagulant can be determined by performing jar test. ( ) 3 The axial-flow impeller provides more turbulence 8 and is used for rapid mixing ( ) The process in which high concentration of monovalent cation is added to water to compress the ionic cloud is called sweep coagulation. ( 4 Ferric salts have a wider pH range for effective 9 coagulation than aluminum ( For mixed-media filter the layer of anthracite is used to catch the very fine particles ( ) 5 Water with low turbidity requires more coagulant 10 For filtration process: when the water level rises to to be treated. ( the point that the filter bed must be cleaned. This point is called terminal head loss ( )
Transcribed Image Text:Question 1: True/False questions True or False 1 6 The lower the water turbidity, the higher the allowable scour velocity in sedimentation tank.( ) 2 Coagulation process is the conventional process used to remove color, turbidity and bacteria from water. ( 7 The process in which coagulant is added with to neutralize the negative charge of the colloidal particles and remove the electrical double layer is called compression of electrical double layer ( The required dose of coagulant can be determined by performing jar test. ( ) 3 The axial-flow impeller provides more turbulence 8 and is used for rapid mixing ( ) The process in which high concentration of monovalent cation is added to water to compress the ionic cloud is called sweep coagulation. ( 4 Ferric salts have a wider pH range for effective 9 coagulation than aluminum ( For mixed-media filter the layer of anthracite is used to catch the very fine particles ( ) 5 Water with low turbidity requires more coagulant 10 For filtration process: when the water level rises to to be treated. ( the point that the filter bed must be cleaned. This point is called terminal head loss ( )
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