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

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

3. 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.

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

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

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

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

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

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

10. The ratio of inertial forces to viscous forces.

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

12. A glider designed for sustained flight.

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

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

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

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

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

18. 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.

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

20. Robotic aircraft - used extensively by the military.

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

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

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

24. To set or thrust in motion.

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

26. 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.

27. 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.

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

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

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

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

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

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

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

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

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

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

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

39. 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.

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

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

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

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

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

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

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

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

49. Aircraft speeds under Mach 1.

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