Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — Dec. 2016 — 98-Ind-B5 Ergonomics. Three-hour, open-book exam (all notes, books and any non-communicating calculator permitted; point-form answers requested); the paper requires 4 of its 5 questions (Part A's Questions 1–2 mandatory, plus one of Part B's Questions 3 or 4) — all five are solved below for completeness.
Reference texts: Sanders & McCormick, Human Factors in Engineering and Design (7th ed.) — manual-handling guidelines, human-computer interaction/usability evaluation methods, and MSD risk factors; 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; NIOSH, Elements of Ergonomics Programs (1997) and CSA Z1004 (Canada) — workplace musculoskeletal-disorder (MSD) prevention programs.