6. After your flash mix the water was sent to a clarification basin that was 24 feet in diameter and 20 feet tall. What was the detention time in hours of 0.43 MGD? 5.4 hours 4.3 hours 3.8 hours 2.3 hours After the water leaves your sedimentation basin, it is ready for filtration. Your two filters measure 10 feet in diameter. What is the filtration rate is gpm for your flow of 0.43 MGD? 19 gpm/sq/ft 29 gpm/sq/ft 39 gpm/sq/ft 49 gpm/sq/ft You have had a filtration breakthrough (failure) and have brought your old roughing filtration system on line. The old filter is 8 feet square and 4 feet deep. What is the filtration rate in gpm/sq/ft for your flow of 0.43 MGD? 10.33 gpm/sq/ft 8.55 gpm/sq/ft 5.99 gpm/sq/ft 4.66 gpm/sq/ft

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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6. After your flash mix the water was sent to a clarification basin that was 24 feet in diameter and 20
feet tall. What was the detention time in hours of 0.43 MGD?
5.4 hours
4.3 hours
3.8 hours
2.3 hours
After the water leaves your sedimentation basin, it is ready for filtration. Your two filters measure 10
feet in diameter. What is the filtration rate is gpm for your flow of 0.43 MGD?
19 gpm/sq/ft
29 gpm/sq/ft
39 gpm/sq/ft
49 gpm/sq/ft
You have had a filtration breakthrough (failure) and have brought your old roughing filtration system
on line. The old filter is 8 feet square and 4 feet deep. What is the filtration rate in gpm/sq/ft for your
flow of 0.43 MGD?
10.33 gpm/sq/ft
8.55 gpm/sq/ft
5.99 gpm/sq/ft
4.66 gpm/sq/ft
Transcribed Image Text:6. After your flash mix the water was sent to a clarification basin that was 24 feet in diameter and 20 feet tall. What was the detention time in hours of 0.43 MGD? 5.4 hours 4.3 hours 3.8 hours 2.3 hours After the water leaves your sedimentation basin, it is ready for filtration. Your two filters measure 10 feet in diameter. What is the filtration rate is gpm for your flow of 0.43 MGD? 19 gpm/sq/ft 29 gpm/sq/ft 39 gpm/sq/ft 49 gpm/sq/ft You have had a filtration breakthrough (failure) and have brought your old roughing filtration system on line. The old filter is 8 feet square and 4 feet deep. What is the filtration rate in gpm/sq/ft for your flow of 0.43 MGD? 10.33 gpm/sq/ft 8.55 gpm/sq/ft 5.99 gpm/sq/ft 4.66 gpm/sq/ft
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