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11-CS-1 Engineering Economics: May 2013

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

  1. Question 1 Effective Interest Rates
  2. Question 2 Bridge Project — Present and Future Worth
  3. Question 3 Laundry Systems — Rate of Return
  4. Question 4 Photocopiers — Different Lives
  5. Question 5 Circuit Tester — After-Tax Analysis
  6. Question 6 Replacement Analysis — Old Packaging Machine

Start with Question 1 →

National Exams — May 2013 — 11-CS-1 Engineering Economics. Open book; non-communicating calculator permitted. Any five of the six questions constitute a complete paper; all questions are of equal value. Fully worked solutions to all six questions are given below. Standard compound-interest factors are used throughout; minor rounding differences are immaterial.