21-02. AIRFRAME
All questions: 38
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1. DURALUMIN alloys: 1) have an aluminium-copper base 2) have an aluminium-magnesium base 3) are easy to weld 4) are difficult to weld 5) have a good thermal conductivity 6) have a poor air corrosion resistance The combination regrouping all the correct statements is:
2. The middle layer of a heated windscreen is made of:
3. With reference to stringers they:
4. In flight, a cantilever wing of an airplane containing fuel undergoes vertical loads which produce a bending moment:
5. Which part of a wing, other than stressed skin construction, takes upward loads?
