Environmental Engineering Part 3

Print Friendly, PDF & Email

Page 1 of 4

1. The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about

2. For very strong sewage, BOD will be

3. Concentration of ozone in clean air is

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

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

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

7. Which of the following pollutants are generally not removed in a sewage treatment plant?

8. Noise pollution in a road-side building can be reduced by

9. Which of the following is the best indicator of SO2  pollutant?

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



Arbaj 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.

Leave a Reply