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Discussion

Consider the following statements about the phases of design:

1. Conceptual design examines many configurations at low fidelity.

2. Preliminary design refines the chosen configuration.

3. Detail design examines more configurations than either.

Which of the statements given above is or are correct?

  • A.1, 2 and 3
  • B.1 and 2 only
  • C.1 and 3 only
  • D.2 and 3 only

Answer: B

Correct answer: 1 and 2 only

Statements 1 and 2 describe the first two phases correctly. Statement 3 inverts the trend: detail design works on a single configuration, defining every part and producing the data to manufacture it. The number of configurations falls steadily through the phases while the fidelity of the analysis rises, which is the fundamental shape of the whole process.

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