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23-Ind-B2 Manufacturing Processes: December 2014

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

  1. Question 1 Manufacturing Engineer Responsibilities, Material Selection Factors, and the Annealing Process
  2. Question 2 Casting Process Selection, S​hell-Molding, and Permanent-Mold Casting
  3. Question 3 Drilling Cutting Time, and the Action and Effects of Cutting Fluids
  4. Question 4 Extrusion and Injection Molding of Plastics, Typical Products, and Reinforced-Plastic Design Characteristics
  5. Question 5 Grinding Operation Characteristics, Design Considerations, and the Economics of Surface Finish/Accuracy
  6. Question 6 Residual Stress in Welding, Joint/Process Selection Factors, and Future Trends in Welding
  7. Question 7 DNC/CNC Characteristics, Uses of Statistical Quality Control, and an X (Individuals) Control Chart

Start with Question 1 →

National Exams — December 2014 — 98-Ind-B2 Manufacturing Processes. Closed book; Casio or Sharp approved calculators only. Any five of the seven questions constitute a complete paper; all questions are of equal value (20 marks each). Answers are written in point form but fully, with all calculations shown, as instructed. Complete answers to all seven questions follow.

Reference texts: Groover, Fundamentals of Modern Manufacturing: Materials, Processes, and Systems, 6th ed. — material selection, casting, metal-cutting theory and machinability, polymer processing, welding, grinding/finishing, and automation/numerical control; Montgomery, Introduction to Statistical Quality Control, 8th ed. — statistical process control and X-charts.