NivaarExam PrepOfficial exam papers ↗

23-Ind-B2 Manufacturing Processes: May 2015

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

  1. Question 1 Non-Ferrous Alloy Characteristics, Plastics vs. Metals, and Trends in Plastics Development
  2. Question 2 Plastics vs. Metals (Restated), Polymer Additives, and Thermoplastics/Thermosets/Elastomers
  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 Forming/Shaping Process Characteristics, Forging Steps, and Forging Trends
  7. Question 7 NC vs. Conventional Machines, DNC/CNC Characteristics, and CNC over Conventional NC

Start with Question 1 →

National Exams — May 2015 — 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.