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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 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.
2. The largest load that is expected to be experienced by aircraft is called __________
3. Stress and pressure are same.
4. Loads during takeoff and landing will be equal in magnitude.
5. 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.
6. Which of the following is correct?
7. Column is supported by pin at both the ends and has length of 10 unit. If radius of gyration is 3.16 unit then find slenderness ratio.
8. Load factor is defined as _______________
9. What are the ground loads?
10. If actual speed of aircraft is 100 m/s and is flying at certain altitude with density ratio of 0.3 then, find equivalent at speed at that altitude.
11. Find the radius of gyration if, moment of inertia I is 160 unit and 10 unit as area.
12. Determine the value of stress produced if body is subjected to a force of hundred Newton and cross sectional area of 10 m2.
13. Consider a body is subjected to some force F which is acting on cross section area of 10m2. If stress due to application of the force is 25Pa then, found the value of F.
14. Let us consider the ambient air temperature is 25°C and aircraft has Mach number of 1.5. Find the stagnation temperature.
15. What is creep?
16. Air loads are loads typically experienced by an aircraft during flight in air.
17. Which of the following is correct?
18. Magnesium is used for ________
19. When an aircraft flies in air, it experiences _________
20. How do you define slenderness ratio?
21. 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?
22. A material has elastic constant of 100MPa and Poisson’s ratio as 10. Find the shear modulus of the material.
23. If elastic constant of material is 6.6MPa then, find the value of direct stress. Given direct strain is 0.25.
24. The dive speed in v-n diagram represents _________
25. Which of the following is correct?