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Lightning strike protection on a composite aircraft is needed because

  • A.Composites cannot be painted
  • B.Lightning does not affect metal aircraft
  • C.Carbon composite conducts far less well than aluminium
  • D.Composites attract lightning more than metals

Answer: C

An aluminium skin conducts a strike away readily, whereas carbon composite does not, so the energy can burn through or damage the laminate. A conductive mesh or foil is incorporated in the outer surface to provide the path.

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