Paper format. National Examination, December 2014 —
98-Civ-B5 Water Supply and Wastewater Engineering. Three hours; closed book with one
two-sided aid sheet and an approved calculator. Question 1 is compulsory and any three
of Questions 2–5 are attempted; every question carries 25 marks. All five questions
are solved below, because the set is intended as a study resource rather than an
exam script.
Reference texts.
- Metcalf & Eddy / AECOM, Wastewater Engineering: Treatment and Resource
Recovery, 5th ed. — Ch. 5 (physical unit operations), Ch. 7 (fundamentals of
biological treatment), Ch. 8 (suspended-growth biological treatment).
- M. L. Davis and D. A. Cornwell, Introduction to Environmental Engineering,
5th ed. — Ch. 6 (water treatment: softening, filtration, disinfection), Ch. 9
(wastewater treatment).
- MWH, MWH’s Water Treatment: Principles and Design, 3rd ed. —
Ch. 11 (granular filtration), Ch. 13 (disinfection), Ch. 15 (ion exchange).
- J. R. Mihelcic and J. B. Zimmerman, Environmental Engineering: Fundamentals,
Sustainability, Design, 3rd ed. — Ch. 4 (mass balances and reactors).
- Health Canada, Guidelines for Canadian Drinking Water Quality (current
summary table); CCME, Canadian Environmental Quality Guidelines for the
receiving-water criteria used in Question 3.
