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04-BS-6: December 2016

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

  1. Question 1 Shear-Force and Bending-Moment Diagrams
  2. Question 2 Deflection by Integration
  3. Question 3 Normal and Shear Stress in the Beam
  4. Question 4 Mohr's Circle for Plane Stress
  5. Question 5 Combined Axial and Bending in a Propped Beam
  6. Question 6 Stepped Shaft in Torsion
  7. Question 7 Rigid L-Shaped Link with Two Cables
  8. Question 8 Largest Load on a Two-Bar Truss (Buckling)

Start with Question 1 →

National Exams December 2016 — 04-BS-6: Mechanics of Materials (3 hours, closed book, one hand-written aid sheet permitted). Any FIVE of the eight questions constitute a complete paper on the official exam; every question is answered below. A wide-flange (W-shape) section-property table is attached at the end of the official exam; every question below supplies its own built-up section, so the table is not needed for any of the eight solutions.

Reference texts: Hibbeler, Mechanics of Materials, 10th ed. (shear/moment diagrams, deflection by integration, combined axial+bending, transformation of stress via Mohr's circle, torsion of stepped shafts, axial members and pin connections, Euler column buckling).