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






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






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






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






6. Design machines that fly.






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






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






9. Robotic aircraft - used extensively by the military.






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






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






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






13. 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.






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






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






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






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






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 force caused by the gravitational attraction of the Earth.






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






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






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






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






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






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






26. To set or thrust in motion.






27. Aircraft speeds between Mach 10 and 25.






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






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






30. 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.






31. A glider designed for sustained flight.






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






33. 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.






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






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






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






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






38. Aircraft speeds between Mach 5 and 10.






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






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






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






42. The ratio of inertial forces to viscous forces.






43. Aircraft speeds between Mach 1 and 5.






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






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






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






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






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






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






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