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Aerospace Engineering

Subject : engineering
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Aircraft speeds between Mach 5 and 10.

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

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

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

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

6. 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.

7. 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.

8. Design machines that fly.

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

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

11. 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.

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

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

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

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

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

17. Aircraft speeds between Mach 10 and 25.

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

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

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

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

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

23. Robotic aircraft - used extensively by the military.

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

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

26. A force caused by the gravitational attraction of the Earth.

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

28. A short - memorable phrase used in advertising or associated with a political party or group.

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

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

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

32. To set or thrust in motion.

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

34. The rate at which temperature decreases with an increase in altitude.

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

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

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

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

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

40. A glider designed for sustained flight.

41. The ratio of inertial forces to viscous forces.

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

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

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

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

46. 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.

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

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

49. Aircraft speeds under Mach 1.

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