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






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






4. 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.






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






6. Aircraft speeds under Mach 1.






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






8. A powered - aerial vehicle that does not carry a human operator - uses aerodynamic forces to provide vehicle lift - can fly autonomously or be piloted remotely - can be expendable or recoverable - and can carry a lethal or nonlethal payload.






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






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






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






12. Mach. A decimal number representing the true airspeed relationship to the local speed of sound.






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






14. The relationship between the length and width of a wing.






15. Characteristic of the aircraft that permits you to maneuver it easily and allows it to withstand the stress resulting from the maneuver.






16. A straight line parallel to the length of the fuselage but that runs through the aircraft's center of gravity.






17. A glider designed for sustained flight.






18. Aircraft speeds between Mach 5 and 10.






19. A rear horizontal stabilizer that controls up and down or pitching motion of the aircraft nose.






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






21. Robotic aircraft - used extensively by the military.






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






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






24. Aircraft speeds between Mach 10 and 25.






25. 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.






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






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






28. 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.






29. A powered heavier- than - air aircraft with fixed wings from which the aircraft derives most of its lift.






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






31. To set or thrust in motion.






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






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






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






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






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






37. Branch of technology and industry concerned with aviation and space flight.






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






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






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






41. Aircraft speeds between Mach 1 and 5.






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






43. A thin layer of air next to the surface of an airfoil which shows a reduction in speed due to the air's viscosity.






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






45. An advertising film which promotes a product in an informative and supposedly objective style.






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






47. A reduction in the chord of a wing as measured from the root to the tip of the wing.






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






49. The distance from wing tip to wing tip of a wing planform.






50. The space in the fuselage of a small airplane containing seats for the pilot - copilot - and sometimes passengers.






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