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Discussion

Match each fuselage member in List I with its primary function in List II.

List I

A. Stringer

B. Frame

C. Skin

D. Pressure bulkhead

List II

1. Maintains the section and introduces concentrated loads

2. Carries axial load and stabilises the skin

3. Closes the pressure vessel

4. Carries shear and part of the direct stress

Select the correct match.

  • A.A-3, B-1, C-4, D-2
  • B.A-2, B-1, C-4, D-3
  • C.A-1, B-2, C-4, D-3
  • D.A-2, B-4, C-1, D-3

Answer: B

Correct answer: A-2, B-1, C-4, D-3

Four members of the fuselage shell. Stringers run lengthwise carrying axial load and stabilising the skin between frames. Frames run around the section, maintaining its shape and introducing concentrated loads such as those from the wing and undercarriage attachments. The skin carries shear and a share of the direct stress. And the pressure bulkhead closes the pressurised volume at each end.

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