Discussion
Assertion (A): Riveted joints have been entirely superseded by adhesive bonding in metal airframes.
Reason (R): Bonded joints avoid the stress concentration that a fastener hole introduces.
Select the correct answer from the options below.
Answer: C
The assertion is false and the reason is true. Bonding does avoid the hole and can be lighter, but riveted joints remain because they can be inspected, repaired fastener by fastener, and predicted in fatigue from a large body of data. The two are used together rather than one replacing the other.
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