for the -Rapid sand filter a- should be proceeded, () by coagulation and sedimentation b- is used after slow sand filtering has been done c- can combine disinfection also d- all above 2-At break point of chlorination a- residual chloride is zero (b- residual chloride is maximum c- residual chlorine reappears (4) d- all above 5-To remove very fine suspended particles from water, the method adopted is a- Filtration. b-Sedimentation c-Boiling d-Screening -Turbidity of raw water is a measure

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Q1: Choose the correct answer for the following:
1-Rapid sand filter
a- should be proceeded (5) by coagulation and sedimentation
b- is used after slow sand filtering has been done
c- can combine disinfection also
d- all above
2-At break point of chlorination
a- residual chloride is zero
(b- residual chloride is maximum
c- residual chlorine reappears (4)
d- all above
3-To remove very fine suspended particles from water, the method adopted is
a- Filtration. b-Sedimentation c-Boiling d-Screening
4-Turbidity of raw water is a measure
a- suspended solids
b- acidity of water
c- B.O.D.
d- none of these
5-The type of contamination that cannot be removed by conventional treatment is:
a Bacteria and viruses
b- Turbidity
c- Silt and clay
d- Dissolved impurities
Transcribed Image Text:Q1: Choose the correct answer for the following: 1-Rapid sand filter a- should be proceeded (5) by coagulation and sedimentation b- is used after slow sand filtering has been done c- can combine disinfection also d- all above 2-At break point of chlorination a- residual chloride is zero (b- residual chloride is maximum c- residual chlorine reappears (4) d- all above 3-To remove very fine suspended particles from water, the method adopted is a- Filtration. b-Sedimentation c-Boiling d-Screening 4-Turbidity of raw water is a measure a- suspended solids b- acidity of water c- B.O.D. d- none of these 5-The type of contamination that cannot be removed by conventional treatment is: a Bacteria and viruses b- Turbidity c- Silt and clay d- Dissolved impurities
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