Environmental Engineering Part 2

March 13, 2021

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1. The depletion of dissolved oxygen due to BOD reaction of sewage is called

2. The cells of bacteria are usually in the range of

3. Orthotolidine test is used for determination of

4. Which of the following causes a decrease in per capita consumption?

5. "The pathogens in river flows are killed and helps in self-purification". It is due to

6. During the treatment of sewage it is necessary to kill the

7. Tests for BOD are usually made at

8. During the treatment of sewage it is necessary to kill the

9. The hourly variation factor is usually taken as

10. The most common cause of acidity in water is


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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