Aerospace Engineering MCQs

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1. What is the study of aerodynamics primarily concerned with?



2. Which force acts perpendicular to the direction of airflow around an airfoil?



3. Which law states that for every action, there is an equal and opposite reaction?



4. Which term describes the force that opposes the motion of an aircraft through the air?



5. At what speed does the critical Mach number occur?



6. Which type of flow occurs when airflow over a wing is at or near the speed of sound?



7. What effect does an increase in angle of attack have on lift, up to a certain point?



8. Which phenomenon is responsible for the generation of lift on an airfoil?



9. Which type of drag increases with the square of the aircraft’s speed?



10. Which aircraft configuration is designed to reduce induced drag?



11. Which term describes the force that propels an aircraft forward?



12. At what altitude does the term “density altitude” become important for aircraft performance?



13. Which type of flow occurs when airflow over a wing is slower than the speed of sound?



14. Which law states that the pressure of a fluid decreases as the velocity of the fluid increases?



15. Which type of drag is primarily caused by skin friction and form drag?



16. Which aircraft configuration is known for its high maneuverability at low speeds?



17. What is the term for the speed at which an aircraft transitions from subsonic to supersonic flight?



18. Which law states that every point on a body submerged in a fluid is subject to a force equal and opposite to the force the body exerts on the fluid?



19. Which term describes the region of low pressure above an airfoil that contributes to lift?



20. Which force acts in the direction opposite to the direction of flight and is necessary to overcome to maintain level flight?



21. What happens to the lift coefficient as angle of attack increases beyond the critical angle of attack?



22. Which type of flow occurs when airflow over a wing is faster than the speed of sound?



23. Which component of aerodynamic forces acts parallel to the relative wind and is responsible for moving an aircraft in a desired direction?



24. At what point on an airfoil does stall occur?



25. Which phenomenon allows an aircraft to fly inverted?



26. Which type of drag is associated with the production of shockwaves at transonic and supersonic speeds?



27. Which law of motion governs the relationship between an object’s mass, its acceleration, and the applied force?



28. What is the term for the angle between the chord line of an airfoil and the direction of the relative wind?



29. Which aircraft configuration is known for its ability to achieve high speeds?



30. What is the term for the force exerted by a fluid on an object moving through it?



31. Which term describes the tendency of a body in motion to continue in motion in a straight line unless acted upon by an external force?



32. What effect does an increase in airspeed have on induced drag, all other factors remaining constant?



33. Which law states that the pressure exerted by a fluid decreases as the velocity of the fluid increases?



34. What is the term for the area on an airfoil where airflow remains attached and smooth?



35. Which aircraft configuration is known for its stability and ease of control?



36. Which law of thermodynamics explains the increase in temperature during compression of air in a jet engine?



37. What is the term for the flow condition where airflow remains attached to an airfoil at low speeds and high angles of attack?



38. Which aircraft configuration is designed to reduce drag by reducing the formation of shockwaves at high speeds?



39. What is the term for the ratio of the speed of an object to the speed of sound in the surrounding medium?



40. Which type of drag is produced by the turbulence generated at the junctions of different aircraft components?



41. What is the term for the point along the chord line of an airfoil where the lift force is considered to act?



42. Which law of motion is often used to explain the action of lifting surfaces such as wings?



43. What is the term for the ratio of the lift force to the drag force on an aircraft?



44. Which term describes the change in pressure that occurs when a fluid flows faster over one surface compared to another?



45. Which aircraft configuration is designed to combine the advantages of both high and low wing configurations?



46. What is the term for the force that opposes the motion of an aircraft parallel to the relative wind?



47. Which term describes the point where the airflow over an airfoil becomes turbulent and separates from the surface?



48. What is the term for the loss of lift and increase in drag caused by the disruption of smooth airflow over an airfoil?



49. Which law of motion states that an object at rest will remain at rest unless acted upon by an external force?



 

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