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04-BS-11: May 2013

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

  1. Question 1 Suspension Cable — Wire Count and Materials Testing
  2. Question 2 CsCl Crystal Structure, Lattice Constant, and Density
  3. Question 3 Diffusion — Units of D and an MgO Diffusion-Barrier Lifetime
  4. Question 4 Nylon Band Stress Relaxation and Glass/Nylon Composite Load Sharing
  5. Question 5 Copper Half-Cell Potential and Electroplating
  6. Question 6 Polypropylene Molecular Weight Averages and Degree of Polymerization
  7. Question 7 ASTM Grain Size and the Effects of Cold Work and Low-Temperature Annealing
  8. Question 8 Concrete Curing and Steel Hardenability/Jominy Correlation

Start with Question 1 →

National Exam 04-BS-11, Properties of Materials — May 2013. 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, hardenability, concrete).