Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — Dec. 2015 — 98-Ind-B5 Ergonomics. Three-hour, open-book exam (all notes, books and any non-communicating calculator permitted); the paper requires 4 of its 5 questions (Part A mandatory, any two of Part B's Questions 2–4, and Part C mandatory) — all five are solved below for completeness.
Reference texts: Sanders & McCormick, Human Factors in Engineering and Design (7th ed.) — controls/displays, anthropometry, workplace and computer-workstation design; Waters, Putz-Anderson & Garg, NIOSH Applications Manual for the Revised NIOSH Lifting Equation (1994) — the RWL/LI formula and multiplier tables reproduced on the exam's own pages 6–7.
