Test your basic knowledge |

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. 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.






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






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






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






5. To set or thrust in motion.






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






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






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






9. Aircraft speeds between Mach 1 and 5.






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






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






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






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






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






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






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






17. 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.






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






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






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






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






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






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






26. A glider designed for sustained flight.






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






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






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






30. Aircraft speeds under Mach 1.






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






32. The ratio of inertial forces to viscous forces.






33. Aircraft speeds between Mach 5 and 10.






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






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






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






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






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






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






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






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






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






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






44. 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.






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






46. Aircraft speeds between Mach 10 and 25.






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






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






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






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