What distinguishes semi-monocoque construction? (A) No internal structure (B) Uses fabric skin (C) Combines skin with internal framework
C
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15
Why is reinforcement used in aircraft?
To strengthen high-stress areas
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15
What is Alclad used for?
Corrosion resistance
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15
What does STA represent in aircraft station identification? (A) Y-axis (B) Z-axis (C) X-axis
C
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15
What is the advantage of composite materials?
High strength-to-weight ratio
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25
What are longerons used for?
Longitudinal strength
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banana
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magnet
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gift
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baam
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What is a beam in aircraft structure?
A long member supporting heavy loads
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What does fail-safe design ensure?
Multiple load paths
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15
What is damage tolerance in aircraft structures? (A) Ability to fly with broken wings (B) Ability to sustain damage before losing strength (C) Ability to avoid damage
B
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25
What is monocoque construction? (A) Uses internal truss (B) Uses stressed skin to carry loads (C) Uses composite only
B
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trap
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baam
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25
What is considered a secondary structure in aircraft?