Power System Instrumentation

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1. Which law explains the lift generation on an aircraft wing?





2. What is the primary function of the horizontal stabilizer?





3. What is the angle between the chord line of an airfoil and the direction of the relative wind called?





4. The Mach number is defined as the ratio of an object’s speed to the speed of what?





5. Which part of an aircraft generates the most lift?





6. What does the term “stall” refer to in aviation?





7. What is the purpose of winglets on an aircraft?





8. In which layer of the atmosphere do commercial jets typically cruise?





9. What is the name of the point at which the airflow separates from the surface of an airfoil?





10. Which control surface is primarily responsible for controlling the roll of an aircraft?





11. What is the primary function of the rudder on an aircraft?





12. What is the term for the upward force that counteracts an aircraft’s weight?





13. Which type of drag is caused by the friction of air flowing over the surface of an aircraft?





14. What is the main purpose of an aircraft’s flaps?





15. The term “supersonic” refers to speeds greater than which multiple of the speed of sound?





16. Which type of engine is most commonly used in commercial jet aircraft?





17. What is the purpose of an aircraft’s ailerons?





18. Which term describes the force that resists the motion of an aircraft through the air?





19. What is the name of the path an aircraft follows over the ground?





20. What phenomenon occurs when an aircraft exceeds the speed of sound?





21. Which component of the aircraft provides stability and control during flight?





22. What is the primary function of the aircraft’s fuselage?





23. Which instrument indicates an aircraft’s speed relative to the surrounding air?





24. What is the effect of deploying spoilers on an aircraft wing?





25. Which part of the aircraft reduces the tendency to yaw?





26. What is the critical angle of attack?





27. Which type of aircraft structure is characterized by a stressed skin design?





28. What is the main advantage of a swept wing design?





29. What does the term “aerodynamic center” refer to?





30. Which flight control surface is used to change an aircraft’s pitch attitude?





31. What is the primary purpose of vortex generators on an aircraft wing?





32. Which type of wing planform has a constant chord along its entire span?





33. What is the primary function of the landing gear?





34. Which of the following is a primary flight control surface?





35. What is the term for the distance between the leading edge and the trailing edge of a wing?





36. What is the primary effect of increasing the camber of an airfoil?





37. Which component of the aircraft is primarily responsible for controlling pitch and yaw during takeoff?





38. What is the purpose of dihedral angle in wing design?





39. Which type of propulsion system is commonly used in modern commercial airliners?





40. What is the function of the nacelle on an aircraft engine?





41. What is the main purpose of a flight data recorder?





42. Which term describes the lift generated by a wing in the presence of downwash?





43. What is the primary function of the pitot tube on an aircraft?





44. Which flight control surface is used to change an aircraft’s yaw attitude?





45. What is the term for the imaginary line from the leading edge to the trailing edge of an airfoil?





46. Which type of wing configuration is characterized by wings extending from the fuselage at an upward angle?





47. What is the function of the static port on an aircraft?





48. What is the term for the upward bending of the wings of an aircraft?





49. What is the main purpose of the ailerons during flight?





50. Which component of an aircraft helps to reduce the tendency of the aircraft to yaw left or right?





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