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Assertion (A): A boundary layer diverter is fitted despite its drag and weight penalty.

Reason (R): Fuselage boundary layer air is low in total pressure and highly non-uniform.

Select the correct answer from the options below.

  • A.Both A and R are true, and R is the correct explanation of A
  • B.Both A and R are true, but R is not the correct explanation of A
  • C.A is true but R is false
  • D.A is false but R is true

Answer: A

Both statements are true and the second is the justification. Ingesting that air would degrade both recovery and stability, so the airframe accepts a drag penalty in exchange for keeping it out of the compressor altogether.

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