Environmental Engineering Part 3

March 15, 2021

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1. For very strong sewage, BOD will be

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

3. Two primary air pollutants are

4. Which is the major air pollutant present in photochemical smog?

5. For a given discharge, the efficiency of sedimentation tank can be increased by

6. Which of the following is the major cause of pollution?

7. Which one of the following pollutants or pairs of pollutants is formed due to photochemical reactions?

8. The maximum permissible limit for fluoride in drinking water is

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

10. The pipe joint commonly used in pumping stations 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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