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Aerospace Engineering

Subject : engineering
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The ratio of inertial forces to viscous forces.






2. Any surface - such as a wing - which provides aerodynamic force when it interacts with a moving stream of air.






3. Forward- acting force which opposes drag and propels the aircraft through the air.






4. A glider designed for sustained flight.






5. Aircraft speeds under Mach 1.






6. The part of the airfoil that meets the airflow first.






7. The mounting of wings so that the wingtips and higher than the wingroot.






8. A type of aircraft deriving both lift and propulsion from one or two sets of horizontally revolving rotors.






9. Houses the cabin - the cockpit and is a common attachment point for the other major components.






10. The outline shape of a wing when viewed from above.






11. Control surfaces attached to the trailing edge of the wing extending outward from the fuselage to the midpoint of each wing. Flaps can increase the lifting efficiency of the wing and decrease stall speed.






12. Acts in the opposite direction of flight - opposes the forward- acting force of thrust - and limits the forward speed of the aircraft.






13. An aircraft that is designed to fly without an engine.






14. A rear vertical stabilizer that controls side- to- side or yawing motion of the aircraft nose.






15. The movement about the vertical axis produced by the rudder and controlled by pedals.






16. To set or thrust in motion.






17. A short - easily- remembered slogan - verse - or tune.






18. The tail assembly of an aircraft - including the horizontal and vertical stabilizers - elevators and rudder.






19. The common reference point for the three axes of the aircraft.






20. Aircraft stability is the characteristic of an airplane in flight that causes it to return to a condition of equilibrium - or steady flight - after it is disturbed.






21. Hinged main surface part that help control banking for a turn






22. Caused by the separation of airflow from the wing's upper surface resulting in a rapid decrease in lift.






23. The force that created by the effect of airflow as it passes over and under the wing.






24. The art and science of designing - building - and operating manned or unmanned space objects






25. The last point on an airfoil that interacts with the airflow around the wing.






26. Consists of both the engine and propeller in a small airplane.






27. A power- driven aircraft kept buoyant by a body of gas (usually helium) which is lighter than air.






28. The written text of a play - film - or broadcast.






29. An aircraft with floats or skis instead of wheels - designed to land on and take off from water.






30. A rocket- launched spacecraft able to land like an unpowered aircraft - used for journeys between earth and craft orbiting the earth.






31. A vehicle - missile - or aircraft which obtains thrust by the reaction to the ejection of fast moving exhaust from within a rocket engine.






32. The study of forces and the resulting motion of objects through the air.






33. Motion around the lateral axis caused by deflection in the elevator controlled by moving the yoke forward and aft.






34. Robotic aircraft - used extensively by the military.






35. The horizontal line that passes through the center of gravity of the aircraft - perpendicular to its flight path.






36. The study or practice of travel through the air.






37. A structure that creates up and down forces at the tail to keep the fuselage aligned in pitch with the relative wind. The structure itself is horizontal while the forces it creates are vertical.






38. Aircraft speeds between Mach 5 and 10.






39. A straight line through the center of gravity of the aircraft and at 90






40. The capability of an aircraft to respond to your flight inputs - especially with regard to attitude and flight path.






41. The flat surfaces located behind the center of gravity tend to weathervane with the wind.






42. A large bag filled with hot air or gas to make it rise in the air - with a basket for passengers hanging from it.






43. Rolling motion about the longitudinal axis caused by ailerons deflecting in opposite directions and controlled by twisting the yoke.






44. Out of its own accord - an aircraft eventually returns to and remains at its equilibrium position over a period of time.






45. Aircraft speeds between Mach 10 and 25.






46. Forces and moments on the body caused by a disturbance tend initially to return the body toward its equilibrium position.






47. The angle formed by the wing chord line and the relative wind.






48. A sequence of drawings representing the shots planned for a film or television production.






49. A built in twist in the wing so that the trailing edge at the wingtip is raised (Wash out) or lowered (Wash in). This significantly affects the slow flight and stall characteristics of the wing.






50. Generates the lifting force that helps the airplane fly when air flows around it.







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Can you answer 50 questions in 15 minutes?


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