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16-Civ-A3 Elementary Environmental Engineering: December 2015

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

  1. Question 1 Problem 1 — Microbiology, reaction kinetics and material balance
  2. Question 2 Problem 2 — Particle characteristics, chemistry of solutions and gases
  3. Question 3 Problem 3 — Urbanization, energy use and industrialization as causes of pollution
  4. Question 4 Problem 4 — Environmental ethics and surface water treatment
  5. Question 5 Problem 5 — Air pollution control and solid waste management
  6. Question 6 Problem 6 — Environmental impact assessment and sustainable development
  7. Question 7 Problem 7 — Water resource management, water treatment and wastewater treatment

Start with Question 1 →

Paper format. National Exams, December 2015 — 98-Civ-A3 Environmental Engineering. Three hours; closed book with one candidate-prepared 8½ × 11 double-sided aid sheet and an approved Casio or Sharp calculator. Seven problems of 20 marks each; any five constitute a complete paper and only the first five answers appearing in the work book are marked, for a maximum of 100 marks. The complete Marking Scheme is printed on page 8. All seven problems are solved here, because this set is a study resource rather than an examination script.

Reference texts.

Check: the mark split for Problem 1 is printed two different ways. The margin figures on page 2 read (7) for part (i), (7) for part (ii) and (6) for part (iii), while the Marking Scheme on page 8 reads “1. (i) 7, (ii) 6, (iii) 7”. Both add to 20, and the discrepancy is confined to parts (ii) and (iii). The margin figures on the question page are used below, since that is what a candidate sees while allocating time. Nothing in the technical content depends on the choice.