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22-Mec-B5 Product Design and Development: December 2013

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

  1. Question 1 The Design Process Applied to a Universal-Design Product
  2. Question 2 Design for Manufacture and Assembly
  3. Question 3 Computer Applications in the Design Process
  4. Question 4 The Nature of Design — Engineer and Artist
  5. Question 5 Challenges that Limit the Design Process
  6. Question 6 Redesign under DFM, DFE and Universal Design
  7. Question 7 Manufacturing Route Selection for a Bicycle Pedal

Start with Question 1 →

Paper format. National Exams, December 2013 — 07-Mec-B5, Product Design and Development. Three hours; open book; no calculator is permitted. Question 1 is compulsory and carries 40 marks; four of the remaining six questions are chosen, each worth 15 marks, for 100 marks in total, and only the first five questions appearing in the answer book are marked. Note 5 of the paper states that most questions require an answer in essay format or the use of tables, figures and charts, and that clarity and organisation of the answer carry marks; Note 1 invites the candidate to state any assumption made where a question is open to interpretation, and that licence is used several times below with every use flagged. All seven printed questions are worked here — 130 marks of material against the 100 marks a candidate would actually attempt — so that the set serves as a complete study resource. Because no calculator is allowed, every figure quoted below is one a candidate could reach by hand or by slide-rule-grade estimation; the arithmetic is nonetheless.

Reference texts. Ulrich & Eppinger, Product Design and Development (McGraw-Hill) — the framework text for this exam code and the source of the generic development process, the needs-to-metrics translation, concept screening and concept scoring used throughout; Dieter & Schmidt, Engineering Design (McGraw-Hill) for the specification, problem-definition and materials/process-selection material; Pahl & Beitz, Engineering Design: A Systematic Approach (Springer) for the function structure and systematic concept generation; Boothroyd, Dewhurst & Knight, Product Design for Manufacture and Assembly (CRC) for the DFMA rules and the design-for-assembly index; Ashby, Materials Selection in Mechanical Design (Butterworth-Heinemann) and Kalpakjian & Schmid, Manufacturing Engineering and Technology (Pearson) for the process-selection charts and unit-cost models; Cross, Engineering Design Methods (Wiley) for the design-versus-art material. Canadian context is taken from CSA B651 Accessible design for the built environment and CSA/ISO 21542, the Accessible Canada Act (2019) and provincial accessibility statutes, the Canada Consumer Product Safety Act, the Canadian Environmental Protection Act and its prohibited-substances regulations, ISO 4210-8 (cycle pedal and drive-system testing) as adopted in Canada, and Engineers Canada / EGBC guidance on professional practice.