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What is the primary purpose of aircraft structural design? (A) To reduce fuel consumption ( B) To ensure stability and withstand loads (C) To increase speed
B
Which of the following is a primary structure component? (A) Fairings ( B) Longerons (C) Wheel shields
B
What is a tertiary structure in aircraft design?
Fairings
What is considered a secondary structure in aircraft?
Flooring
What does fail-safe design ensure?
Multiple load paths
What is the purpose of zonal identification systems? (A) To reduce weight (B) To localize parts and work areas (C) To increase lift
B
What is monocoque construction? (A) Uses internal truss (B) Uses stressed skin to carry loads (C) Uses composite only
B
What are longerons used for?
Longitudinal strength
What is the function of bulkheads?
Divide fuselage and add strength
What do struts resist?
Compression
What do ties resist?
Tension
What is a beam in aircraft structure?
A long member supporting heavy loads
What is the floor structure made of?
Network of longerons and beams
Why is reinforcement used in aircraft?
To strengthen high-stress areas
What is the role of fabric/film in aircraft skinning?
Aerodynamic smoothness
What is the advantage of composite materials?
High strength-to-weight ratio
