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23-Ind-A5 Quality Planning, Control, and Assurance: December 2019

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

  1. Question 1 Control-Limit Concepts, ISO 9000, and TQC vs. TQM
  2. Question 2 SPC Problem-Solving Tools, Deteriorating Processes, and CUSUM
  3. Question 3 Type I/II Errors, and a $p$-Chart for a Fraction-Nonconforming Process
  4. Question 4 Variables vs. Attributes Charts, and a $u$-Chart for Textile Imperfections
  5. Question 5 Concurrent Engineering, Robust Design, and a $2^{5-2}$ Fractional Factorial
  6. Question 6 Acceptance Sampling and a MIL-STD-105E Single Sampling Plan

Start with Question 1 →

Reference texts: Montgomery, Introduction to Statistical Quality Control (8th ed.) — cost/philosophy of quality, control charts for variables and attributes, CUSUM, acceptance sampling (MIL-STD-105E, Dodge-Romig); Montgomery, Design and Analysis of Experiments (9th ed.) — fractional factorial designs, aliasing, robust (Taguchi) parameter design; ISO 9001:2015 (successor to ISO 9000:2000) — quality management system certification.