Topic: Metrology and Inspection
The figure shows the principle of

- A. Traceability
- B. Interchangeability
- C. Matched fits
- D. Selective assembly
Answer: D. Selective assembly
Explanation: Selective assembly is a cost-effective manufacturing approach for reducing overall variation and improving the quality of an assembled product. In this process, components of a mating pair are measured and grouped into several corresponding classes or bins.