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23-Ind-B2 Manufacturing Processes: December 2019

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

  1. Question 1 Forging Flash, Injection-Molding Fundamentals, and Commercial Viability of Manufacturing Technology
  2. Question 2 Identifying Casting Technology from Surface Finish, Parting Line, and Defects
  3. Question 3 Why Solidification Shrinkage Produces a Core Cavity Rather Than Deforming the Part
  4. Question 4 Sprue/Runner/Gate Freeze Order, Typical Shrinkage Values, and Continuous-Fiber Composites
  5. Question 5 Estimating Injection-Molding Solidification Time for a Thin vs. a Thick Part
  6. Question 6 Why Progressive Dies Are Recommended in Stamping
  7. Question 7 Forging-then-Machining Process Sequence for a Connecting Rod, and Drilling a Long Hole

Start with Question 1 →

National Examinations, December 2019 — 17-Ind-B2 Manufacturing Processes. 3-hour closed-book exam; candidates may use a Casio or Sharp approved calculator. Any five questions constitute a complete paper (only the first five as they appear are marked officially); all seven are answered below as a full study resource.

Reference texts. Groover, Fundamentals of Modern Manufacturing: Materials, Processes, and Systems, 6th ed. (primary text for this subject — material selection, casting, polymer processing, machining, and composites).