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23-Ind-B2 Manufacturing Processes: December 2013

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 Metal Chip Types, Built-Up Edge, and the Orthogonal-Cutting Shear Angle
  4. Question 4 Factors in Metal Cutting, Tool Wear/Finish/Machinability, and Current Trends
  5. Question 5 Welding-Process Selection, Oxyacetylene/Arc/Resistance Welding, and Cutting Processes
  6. Question 6 Thermoplastics vs. Thermosets, Polymer Additives, and Factors Affecting Plastic Properties
  7. Question 7 Statistical Process Control, Acceptance Sampling/AQL, and the Deming and Taguchi Methods

Start with Question 1 →

National Exams — December 2013 — 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, welding processes, polymer processing, statistical process control; Montgomery, Introduction to Statistical Quality Control, 8th ed. — acceptance sampling, control charts, the Deming/Taguchi quality philosophies.