Advanced Enviro Eng. - Lec 2

19 Questions

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Advanced Enviro Eng. - Lec 2

A fun way to help me memorise useless information!


Questions and Answers
  • 1. 
    What is nitrogen fixation?
  • 2. 
    What is BOD?
  • 3. 
    What is CBOD?
  • 4. 
    What is COD? Name one benefit and one drawback
  • 5. 
    What is sCOD?
  • 6. 
    What is TOC? Name a benefit and a drawback.
  • 7. 
    What are the four physical characteristics of water?
  • 8. 
    How do you measure the acidity or basicity of an aqueous solution?
  • 9. 
    How do you meaure the buffering capacity of wastewater?
  • 10. 
    What is the sum of the organic nitrogen plus ammonia?
  • 11. 
    The dissolved oxygen in a water system is governed by what parameters? Name 4
  • 12. 
    What two elements are essential to macromolecule production and thus are the major nutrients of importance?
  • 13. 
    What term describes the nutrient enrichment of water causing excessive growth of aquatic plants and the eventual deoxigenation of water?
  • 14. 
    What quantity of phosphorous can trigger a bloom if Nitrogen is non-limiting?
    • A. 

      5 ppm

    • B. 

      0.05 mg/L

    • C. 

      0.005 mg/L

  • 15. 
    What quantity of Nitrogen can trigger a bloom if phosphorous is non-limiting?
    • A. 

      5 ppm

    • B. 

      0.05 mg/L

    • C. 

      0.005 mg/L

  • 16. 
    Name one critical eutrophication issue in Canada. Scientific and common name.
  • 17. 
    Cyanobasteria can release what toxin?
  • 18. 
    What enzyme in cyanobacteria allows the cyanobacteria to achieve Nitrogen fixation?
  • 19. 
    What are the two sources of phosphorous going to lakes and rivers?