WASTE MANAGEMENT QUIZ 3

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Question 1:

Which of the following is the first operation in wastewater treatment to remove most of the bigger and longer visible objects?

Question 2:

In stabilization process, toxic component transform to a non-toxic component with the help of 

Question 3:

Which of the following is the ex-situ bioremediation method?

  1. Biopile
  2. Bioreactor
  3. Bioventing
  4. Phytoremediation

Question 4:

The color code of plastic bag for disposing of needles –

Question 5:

Which of the following is not affected or not changed during primary treatment?

  1. Colloidal constituents
  2. Dissolved constituents
  3. Suspended organic impurities
  4. Grit