WBCS.LIVE practice question

The widely-used aerobic suspension type of liquid waste treatment system is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Rotating Biological Contractor
  2. Percolating filter
  3. Activated sludge process
  4. Septic tank

Correct answer and explanation

Correct answer: Activated sludge process