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Assertion (A): Certification requirements are not entered into trade studies as criteria.

Reason (R): They are conditions of being permitted to fly rather than desirable attributes.

Select the correct answer from the options below.

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

Answer: D

Correct answer: Both A and R are true, and R is the correct explanation of A

Both are true and the reason gives the ground. A certification requirement is not an attribute to be balanced against cost or performance - without it the aircraft cannot fly at all, so it enters the design as an absolute constraint that every option must satisfy before it is considered. Options that fail it are eliminated, not scored, and putting it into the weighted sum would imply it could be traded away.

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