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04-BS-11: May 2014

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

  1. Question 1 Magnesium-Alloy Tensile Test — Full Stress–Strain Analysis
  2. Question 2 Cold-Worked Brass — Hardness vs. Cold Work and Annealing
  3. Question 3 BCC Vanadium — Lattice Constant and Density; Diffusion Factors
  4. Question 4 Thermoplastic Molecular Mass and Crystallinity
  5. Question 5 Cu Concentration Cell and Carbon Diffusion in FCC Iron
  6. Question 6 Heat Treatments for 0.45% C Steel; Brass and Stainless-Steel Corrosion
  7. Question 7 CaO Coordination Number; Porosity, Grain Size, and Weibull Statistics in Ceramics
  8. Question 8 Wood–Resin Composite; Borosilicate Glass Design; Sledgehammer Materials Selection

Start with Question 1 →

National Exam 04-BS-11, Properties of Materials — May 2014. 3 hours, closed-book examination (approved Casio or Sharp calculator only). Any five questions constitute a complete paper; only the first five questions as they appear in the answer book are marked. All eight questions are solved below for completeness.

Reference texts: Callister & Rethwisch, Materials Science and Engineering: An Introduction, 9th ed. (crystal structure, diffusion, mechanical behaviour, polymers, phase transformations, corrosion, ceramics, composites).