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23-Chem-B2 Environmental Engineering: Undated paper

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Air/Water Pollution Abatement and TSS Loading
  2. Question 2 Control Methods for Particulates, Gases and Vapours
  3. Question 3 Contaminants, BOD and Secondary Sedimentation
  4. Question 4 pH Control, Ion Exchange, Reverse Osmosis and Activated Sludge Design
  5. Question 5 Gaussian Plume Dispersion of SO₂
  6. Question 6 Photochemical Smog, Noxious Pollutants and Odour Control
  7. Question 7 Soil Remediation and Measurement Techniques

Start with Question 1 →

National Exam 16-Chem-B2, Environmental Engineering — May 2019. 3 hours, Closed-Book Exam with a candidate-prepared 8½×11" double-sided aid sheet. Any five (5) of the seven questions constitute a complete paper (100 marks); all seven are solved below for completeness.

Reference texts: Metcalf & Eddy (Tchobanoglous, Burton, Stensel), Wastewater Engineering: Treatment and Reuse, 4th ed.; Davis & Cornwell, Introduction to Environmental Engineering, 5th ed.; Turner, Workbook of Atmospheric Dispersion Estimates, 2nd ed.; Cooper & Alley, Air Pollution Control: A Design Approach, 4th ed.