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A mixed compression intake

  • A.Uses no shocks at all
  • B.Compresses only internally
  • C.Is limited to subsonic flight
  • D.Oblique shocks outside and inside

Answer: D

It combines the robustness of external compression with the low cowl drag of internal compression, which suits sustained high supersonic flight. The penalty is complexity, since variable geometry and bleed are needed to keep the shock system positioned.

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