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23-Ind-B2 Manufacturing Processes: May 2018

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

  1. Question 1 Density, Melting-Temperature, and Thermal-Conductivity Ranges of Engineering Materials
  2. Question 2 Surface Roughness R a — Definition, Calculation, and Typical Casting Values
  3. Question 3 Investment Casting Process Steps and Slow Heat Transfer During Solidification
  4. Question 4 Injection-Molding Warpage, Injection Pressure, and Packing
  5. Question 5 Composites Processing — Filament Winding, Sheet Molding Compound, and Spray-Up
  6. Question 6 Forging/Stamping vs. Casting for Crankshafts, Work-Hardening, and Hot Working
  7. Question 7 Orthogonal Cutting Schematic, Rake-Angle Limits, and Chip Breakers

Start with Question 1 →

National Exams — May 2018 — 17-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. — engineering-material property overview, casting processes, polymer/composite processing, metal-forming theory, and metal-cutting theory.