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






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






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






4. A glider designed for sustained flight.






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






6. Aircraft speeds between Mach 10 and 25.






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






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






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






10. To set or thrust in motion.






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






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






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






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






15. The ratio of inertial forces to viscous forces.






16. 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.






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






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






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






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






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






22. Aircraft speeds under Mach 1.






23. 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.






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






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






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






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






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






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






30. Design machines that fly.






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






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






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






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






35. Robotic aircraft - used extensively by the military.






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






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






38. Aircraft speeds between Mach 5 and 10.






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






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






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






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






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






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






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






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






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






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






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