Environmental Engineering Part 3

March 15, 2021

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1. BOD stands for

2. The earth's water circulatory system is known as

3. A river with high BOD value is

4. A sewer is commonly designed to attain self-cleansing velocity at

5. Which one of the following sequences is the most suitable for treating raw surface water to make it suitable for drinking purpose?

6. The permissible limit of arsenic in drinking water as per the guidelines of WHO is

7. What are the air pollutants responsible for acid rain within and downwind areas of major industrial emissions?

8. Which of the following air pollutants are responsible for the Green House effect?
  1. Methane
  2. Carbon dioxide
  3. Chlorofluorocarbons
  4. Nitrogen oxides

9. In urban air pollution, the most poisonous gas is supposed to be carbon monoxide. It is hazardous because it

10. The water utilizable by plants is available in the form of


 

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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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