A city measured the concentration of aerobic spores in its raw and finished water.The city data are as follows:Concentration(per litre)Day of weekRawSunday300000Monday 150000Tuesday 160000Wednesday 170000Thursday 140000Friday 120000SaturdayFinished252222151820180000 20Referring to given data, and water being subjected to disinfection, which of thefollowing statements are true?A Log removal (LR) is 4.08B Percent removal of the microbes is 99.99%DC Log removal (LR) is 3.93Percent removal of the microbes is 95.99%Correct OptionCorrect Option

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A city measured the concentration of aerobic spores in its raw and finished water. The city data are as follows: Day of week Raw Sunday 300000 25 Monday 150000 22 Tuesday 160000 22 Wednesday 170000 15 Thursday 140000 18 Friday 120000 20 Saturday 180000 20 Concentration (per litre) B Referring to given data, and water being subjected to disinfection, which of the following statements are true? A Log removal (LR) is 4.08 Finished D Percent removal of the microbes is 99.99% C Log removal (LR) is 3.93 Percent removal of the microbes is 95.99% Correct Option Correct Option

A city measured the concentration of aerobic spores in its raw and finished water. The city data are as follows: Day of week Raw Sunday 300000 25 Monday 150000 22 Tuesday 160000 22 Wednesday 170000 15 Thursday 140000 18 Friday 120000 20 Saturday 180000 20 Concentration (per litre) B Referring to given data, and water being subjected to disinfection, which of the following statements are true? A Log removal (LR) is 4.08 Finished D Percent removal of the microbes is 99.99% C Log removal (LR) is 3.93 Percent removal of the microbes is 95.99% Correct Option Correct Option

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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Concept explainers

Biological Processes

Biological solid waste includes bacterial and contaminated waste produced by living individuals. Its treatment is essential to prevent the spread of any air-borne or water-borne diseases or diseases transmitted from one organism to another in a food chain. There are many benefits of the biological solid waste treatment and some of them are: the minimized quantity of waste substance, waste control, eradicating any disease-causing pathogens, generation of biogas, composting, anaerobic digestion, bio drying, mechanical biological treatment, microbial fuel cell, phytoremediation, and biofiltration. The final products of the biological solid waste treatment may be recycled to obtain organic fertilizers or disposed of in SWDS (Solid Waste Disposal Site) after proper treatment.

Question

A city measured the concentration of aerobic spores in its raw and finished water.
The city data are as follows:
Concentration
(per litre)
Day of week
Raw
Sunday
300000
Monday 150000
Tuesday 160000
Wednesday 170000
Thursday 140000
Friday 120000
Saturday
Finished
25
22
22
15
18
20
180000 20
Referring to given data, and water being subjected to disinfection, which of the
following statements are true?
A Log removal (LR) is 4.08
B Percent removal of the microbes is 99.99%
D
C Log removal (LR) is 3.93
Percent removal of the microbes is 95.99%
Correct Option
Correct Option

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