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Aircraft Design Practice Test: Structures and Loads
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Structures and Loads topics include: Loads categories, air loads, structural-analysis fundamentals, structures fundamentals, material selection and properties. When designing aircraft, the primary factors to consider are strength, weight, and reliability. These factors determine the requirements to be met by any material used to construct or repair the aircraft.  Here are some aircraft structures and loads: Airframe: The basic structure of an aircraft that is designed to withstand all aerodynamic forces, as well as the stresses imposed by the weight of the fuel, crew, and... Show more
Aircraft Design Practice Test: Structures and Loads
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25 Questions

1. An object has direct stress and direct strain of 250Pa and 0.015 respectively. Determine the Young’s modulus.
2. Which of the following is not categorized as powerplant load?
3. If stain in body is 0.01 in longitudinal direction and has length of 52 mm then, find the deformation in length of the body.
4. Determine Shear stress produced by material if shear force is 180Pa and area is 20m2.
5. Which of the following is correct?
6. How do you define slenderness ratio?
7. Let us consider the ambient air temperature is 25°C and aircraft has Mach number of 1.5. Find the stagnation temperature.
8. Stress and pressure are same.
9. A column has effective length as 20unit. Determine Euler load of EI = 1000 unit.
10. A typical aircraft has level cruise speed of 0.6M. Find the dive speed for given subsonic aircraft.
11. What is the advantage of wood?
12. My aircraft is flying at particular altitude. At that altitude ratio of actual airspeed to the equivalent airspeed is 1.4 then, what should be the desire value of density ratio?
13. An object is subjected to some force. As a result of the force object undergoes in the deformation. If deformation of length is 0.28mm and Actual length is 20 mm then, find simple strain.
14. When aircraft is in air, it can only experience air load.
15. Almost all the forces acting on aircraft can be categorized as _____
16. Whiskers are ________
17. If elastic constant of material is 6.6MPa then, find the value of direct stress. Given direct strain is 0.25.
18. Column has length of 1.2 m and radius of gyration as 1.5m. Determine slenderness ratio. Consider column is fixed at one end free at other end.
19. Load factor is defined as _______________
20. Composite material has only one material.
21. Design load is defined as ________
22. Which of the following is correct?
23. An aircraft is cruising with cruise speed of 250m/s. All of the sudden aircraft experiences in a gust with velocity of 10m/s. determine the change in angle of attack due to this upward gust.
24. If my factor of safety is 2 and design load of my aircraft is 1000N then, at which value of ultimate load my aircraft can withstand without breaking?
25. Determine the value of stress produced if body is subjected to a force of hundred Newton and cross sectional area of 10 m2.