Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — May 2014 — 04-Chem-A5 Chemical Plant Design and Economics. Three-hour, closed-book exam; any non-communicating calculator permitted. Six equally weighted (20-mark) questions are posed and the candidate answers any five; only the first five are marked. All six are answered below for completeness. Questions 1, 5 and 6 are conceptual design / management / safety questions answered as organised prose; questions 2, 3(i) and 4 contain the numerical work (cost–capacity scaling of a heat exchanger, sinking-fund depreciation, and simple/compound loan interest), and every boxed figure.
Reference texts: M.S. Peters, K.D. Timmerhaus & R.E. West, Plant Design and Economics for Chemical Engineers (5th ed., McGraw-Hill) — the exam's named primary text (cost estimation Ch. 6, interest and investment Ch. 7, depreciation Ch. 9, profitability Ch. 10, optimum design Ch. 11, plant safety and loss prevention); R. Turton et al., Analysis, Synthesis, and Design of Chemical Processes (4th ed., Prentice Hall) — flowsheet synthesis and process development; T.M. Duncan & J.A. Reimer, Chemical Engineering Design and Analysis (Cambridge, 1998) — the source of the boiling-point data used in Question 1; supporting Canadian tax practice from the Canada Revenue Agency Capital Cost Allowance classes and the half-year rule.
