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Assertion (A): The gust alleviation factor is always less than one.

Reason (R): A real gust builds up over a distance, and the aircraft starts to respond during that build-up.

Select the correct answer from the options below.

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

Answer: B

Both statements are true and the second is the reason for the first. Because the aircraft begins accelerating upward before it is fully immersed, the angle-of-attack change it experiences is less than the sharp-edged idealisation predicts, so the factor reduces the computed load.

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