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18-Env-B3 Contaminant Transport: December 2015

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

  1. Question 1 Advection–Diffusion Transport and Particle Settling
  2. Question 2 BOD Statistics, Oxygen-Demanding Wastes, and Air Pollutant Classification
  3. Question 3 Stack Plume Types and Carbonate Alkalinity
  4. Question 4 Mixing Height, Atmospheric Removal Processes, and Groundwater Flow
  5. Question 5 Plume Rise, CO Air-Quality Standard, and Groundwater Biodegradation

Start with Question 1 →

National Exams — December 2015 — 04-Env-B3 / Contaminant Transport. 3 hours duration; closed-book exam (any non-communicating calculator permitted). Five problems are printed, each worth 25 marks; per the exam’s own Note 3, only the first four as they appear in the answer book constitute a complete marked paper, and Note 5 states that the sub-parts (a)–(d) of each problem can be treated independently. All five problems are solved below for completeness.

Reference texts. Freeze & Cherry, Groundwater; Davis & Cornwell, Introduction to Environmental Engineering (6th ed.); Metcalf & Eddy, Wastewater Engineering: Treatment and Resource Recovery (5th ed.); Cooper & Alley, Air Pollution Control: A Design Approach (4th ed.); Wark, Warner & Davis, Air Pollution: Its Origin and Control (3rd ed.).