Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — May 2016 — 04-Geol-A6 Soil Mechanics. Three-hour, closed-book exam; a Casio or Sharp approved calculator, compass and ruler are permitted. Six questions constitute the complete 100-mark paper: Questions 1–5 are compulsory; Question 6 offers five 5-mark optional items of which the source asks for three.
Reference texts: Das, Principles of Geotechnical Engineering, 9th ed. — USCS classification, phase relations, permeability/seepage, consolidation; Craig's Soil Mechanics (Craig & Knappett), 8th ed. — effective stress, seepage/flow nets, consolidation theory, shear strength.
