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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 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.
2. Load factor is defined as _______________
3. 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.
4. What is the advantage of wood?
5. Whiskers are ________
6. Let us consider the ambient air temperature is 25°C and aircraft has Mach number of 1.5. Find the stagnation temperature.
7. The largest load that is expected to be experienced by aircraft is called __________
8. Determine the actual length of the column which has slenderness ratio of 2.9 and radius of gyration as 1.6. Consider column is fixed at both ends.
9. Which of the following is not categorized as powerplant load?
10. When aircraft is in air, it can only experience air load.
11. Almost all the forces acting on aircraft can be categorized as _____
12. The dive speed in v-n diagram represents _________
13. A material has elastic constant of 100MPa and Poisson’s ratio as 10. Find the shear modulus of the material.
14. Which of the following is correct?
15. Which of the following is an example of air load?
16. Which of the following is correct?
17. The highest compression load which will not cause the elastic column buckling is called _________
18. A column has effective length as 20unit. Determine Euler load of EI = 1000 unit.
19. A typical aircraft has level cruise speed of 0.6M. Find the dive speed for given subsonic aircraft.
20. How do you define slenderness ratio?
21. An aircraft is cruising with lift of 150N. Find the weight of aircraft.
22. What is creep?
23. 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.
24. 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.
25. Which of the following is correct?