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A carpet plot in conceptual design displays

  • A.A figure of merit over two variables
  • B.The cabin floor layout
  • C.The aircraft's centre of gravity range
  • D.The manufacturing sequence

Answer: A

Overlaying contours of weight or cost on axes of, say, wing loading and aspect ratio shows where the optimum lies and how flat it is. A flat optimum means the choice can be made on other grounds, which is useful to know.

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