1 Choose the correct letter, A, B, C or D. Estimate the number of filters required for water treatment if the flow rate=1.4 m³/s, the design loading rate to the filter is 200 m³/d.m², and the surface area of each filter= 80 m². One of the following media has the lowest specific gravity in the filter body: What is representing the total alkalinity of water sample, if the pH of water <<=10.33 A 7 B HCOS 10 Garnet Anthracite CO₂ C 5 Sand H₂CO3 D 12 Gravel A+B

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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4
Choose the correct letter, A, B, C or D.
Estimate the number of filters required for water treatment if the flow
rate=1.4 m/s, the design loading rate to the filter is 200 m³/d.m², and
the surface area of each filter= 80 m².
One of the following media has the lowest specific gravity in the filter
body:
What is representing the total alkalinity of water sample, if the pH of water
<=10.33
In the sedimentation tank, the over flow velocity depends on:
What is the tip speed of an impeller in slow-mixing tank that has a
diameter of 1.1 m and rotational speed of 0.6 rps?
A
7
Garnet
HCOS
The flow
rate
1.06 m/s
B
10
Anthracite
CO
The surface
area of the
tank
2.39 m/s
C
5
Sand
D
12
2.07 m/s
Gravel
H₂CO3 A+B
The
detention A+B
time
1.54
m/s
Transcribed Image Text:5 4 Choose the correct letter, A, B, C or D. Estimate the number of filters required for water treatment if the flow rate=1.4 m/s, the design loading rate to the filter is 200 m³/d.m², and the surface area of each filter= 80 m². One of the following media has the lowest specific gravity in the filter body: What is representing the total alkalinity of water sample, if the pH of water <=10.33 In the sedimentation tank, the over flow velocity depends on: What is the tip speed of an impeller in slow-mixing tank that has a diameter of 1.1 m and rotational speed of 0.6 rps? A 7 Garnet HCOS The flow rate 1.06 m/s B 10 Anthracite CO The surface area of the tank 2.39 m/s C 5 Sand D 12 2.07 m/s Gravel H₂CO3 A+B The detention A+B time 1.54 m/s
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