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04-BS-6: December 2015

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

  1. Question 1 Simply Supported Beam — Deflection by Integration
  2. Question 2 Mohr's Circle — Principal Stresses and Maximum In-Plane Shear
  3. Question 3 Stepped Circular Shaft — Torsion
  4. Question 4 Rigid Beam on a Pin and Two Cables
  5. Question 5 A-Frame Truss — Buckling of a Compression Strut
  6. Question 6 Beam with an Inclined Cable — Combined Axial + Bending
  7. Question 7 Composite Wood-Steel Beam
  8. Question 8 Shear-Force and Bending-Moment Diagrams

Start with Question 1 →

National Exams December 2015 — 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.

Reference texts: Hibbeler, Mechanics of Materials, 10th ed. (beam deflection, torsion, transformation of stress, combined loading, columns); CISC Handbook of Steel Construction (W-shape section properties, attached to this exam).