Flight Theory MCQs

1. The force that opposes the motion of an aircraft through the air is known as: A) Lift B) Thrust C) Drag D) Weight Answer: C) Drag 2. According to Newton’s third law of motion, for every action, there is an equal and opposite: A) Acceleration B) Force C) Mass D) Momentum Answer: B) Force 3. The term ‘angle of attack’ refers to the angle between the: A) Aircraft heading and the relative wind B) Aircraft’s longitudinal axis and the horizon C) Chord line of the wing and the relative wind D) Aircraft’s flight path and the horizon Answer: C) Chord line of the wing and the relative wind 4. The process by which an aircraft moves from a state of straight-and-level flight to a stall is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: C) Lift 5. Bernoulli’s principle states that as the speed of a fluid (such as air) increases, its: A) Pressure increases B) Density decreases C) Temperature decreases D) Pressure decreases Answer: D) Pressure decreases 6. The term ‘stall’ in aviation refers to: A) Loss of engine power B) Loss of lift due to high angle of attack C) Loss of control surface effectiveness D) Exceeding maximum airspeed limits Answer: B) Loss of lift due to high angle of attack 7. The turning tendency of an aircraft due to the gyroscopic effect of the propeller is most noticeable during: A) Climb B) Descent C) Straight-and-level flight D) Takeoff Answer: D) Takeoff 8. The aerodynamic force that opposes the aircraft’s weight and allows it to sustain flight is known as: A) Thrust B) Drag C) Lift D) Weight Answer: C) Lift 9. The maximum speed at which an aircraft can fly level without exceeding its structural limitations is known as: A) Stall speed B) Maneuvering speed C) Never-exceed speed D) Best rate-of-climb speed Answer: C) Never-exceed speed 10. The angle between the chord line of an airfoil and the relative airflow is known as: A) Angle of attack B) Aspect ratio C) Dihedral angle D) Camber Answer: A) Angle of attack 11. The process by which an aircraft’s control surfaces are used to change its orientation in flight is known as: A) Stabilization B) Trim adjustment C) Control input D) Maneuvering Answer: D) Maneuvering 12. The tendency of an aircraft to return to its original position after being disturbed by external forces is known as: A) Stability B) Maneuverability C) Control D) Trim Answer: A) Stability 13. The term ‘center of gravity’ in aviation refers to the point at which: A) Lift is concentrated B) Weight is concentrated C) Drag is concentrated D) Thrust is concentrated Answer: B) Weight is concentrated 14. The four primary forces acting on an aircraft in flight are: A) Lift, weight, drag, and thrust B) Lift, pitch, yaw, and roll C) Gravity, thrust, lift, and drag D) Gravity, lift, drag, and pitch Answer: A) Lift, weight, drag, and thrust 15. The process of using the rudder to control the yawing motion of an aircraft is known as: A) Pitch control B) Roll control C) Yaw control D) Stability control Answer: C) Yaw control 16. The principle that states the rate of change of momentum of a body is directly proportional to the force applied, and this change in momentum takes place in the direction of the applied force is known as: A) Bernoulli’s principle B) Newton’s first law C) Newton’s second law D) Newton’s third law Answer: C) Newton’s second law 17. The term ‘ground effect’ in aviation refers to the phenomenon where an aircraft experiences: A) Increased lift and reduced drag near the ground B) Decreased lift and increased drag near the ground C) Increased thrust and decreased drag near the ground D) Decreased thrust and increased drag near the ground Answer: A) Increased lift and reduced drag near the ground 18. The tendency of an aircraft to roll in the opposite direction of a turn is known as: A) Adverse yaw B) Dutch roll C) Spiral instability D) Slipstream effect Answer: A) Adverse yaw 19. The aerodynamic force that acts perpendicular to the relative wind and opposes the aircraft’s weight is known as: A) Thrust B) Drag C) Lift D) Weight Answer: C) Lift 20. The principle that explains the generation of lift over an airfoil by the pressure difference between the upper and lower surfaces is known as: A) Bernoulli’s principle B) Newton’s first law C) Pascal’s principle D) Archimedes’ principle Answer: A) Bernoulli’s principle 21. The process by which an aircraft’s control surfaces are adjusted to reduce aerodynamic drag and maintain a desired flight path is known as: A) Stabilization B) Trimming C) Maneuvering D) Control input Answer: B) Trimming 22. The process by which an aircraft transitions from straight-and-level flight to a descent is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: D) Drag 23. The term ‘coordinated flight’ refers to a flight condition where: A) The aircraft’s weight is balanced by lift and thrust B) The aircraft’s control surfaces are in perfect alignment C) The aircraft’s weight is balanced by thrust and drag D) The aircraft’s lift is balanced by drag and weight Answer: B) The aircraft’s control surfaces are in perfect alignment 24. The process by which an aircraft moves from a state of straight-and-level flight to a climb is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: A) Thrust 25. The phenomenon where an aircraft’s wings generate vortices at their tips, causing induced drag, is known as: A) Wake turbulence B) Vortex shedding C) Wingtip effect D) Ground effect Answer: C) Wingtip effect 26. The aerodynamic force acting parallel to the relative wind and opposite to the direction of flight is known as: A) Lift B) Drag C) Thrust D) Weight Answer: B) Drag 27. The condition where an aircraft’s speed exceeds the critical Mach number, resulting in shock waves and increased drag, is known as: A) Supersonic flight B) Transonic flight C) Subsonic flight D) Hypersonic flight Answer: A) Supersonic flight 28. The term ‘load factor’ refers to the ratio of: A) Lift to weight B) Thrust to drag C) Centripetal force to weight D) Lift to drag Answer: A) Lift to weight 29. The phenomenon where an aircraft’s wings generate vortices at their tips, causing induced drag, is known as: A) Wake turbulence B) Vortex shedding C) Wingtip effect D) Ground effect Answer: C) Wingtip effect 30. The aerodynamic force acting parallel to the relative wind and opposite to the direction of flight is known as: A) Lift B) Drag C) Thrust D) Weight Answer: B) Drag 31. The condition where an aircraft’s speed exceeds the critical Mach number, resulting in shock waves and increased drag, is known as: A) Supersonic flight B) Transonic flight C) Subsonic flight D) Hypersonic flight Answer: A) Supersonic flight 32. The term ‘load factor’ refers to the ratio of: A) Lift to weight B) Thrust to drag C) Centripetal force to weight D) Lift to drag Answer: A) Lift to weight 33. The process by which an aircraft transitions from straight-and-level flight to a climb is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: A) Thrust 34. The phenomenon where an aircraft’s wings generate vortices at their tips, causing induced drag, is known as: A) Wake turbulence B) Vortex shedding C) Wingtip effect D) Ground effect Answer: C) Wingtip effect 35. The aerodynamic force acting parallel to the relative wind and opposite to the direction of flight is known as: A) Lift B) Drag C) Thrust D) Weight Answer: B) Drag 36. The condition where an aircraft’s speed exceeds the critical Mach number, resulting in shock waves and increased drag, is known as: A) Supersonic flight B) Transonic flight C) Subsonic flight D) Hypersonic flight Answer: A) Supersonic flight 37. The term ‘load factor’ refers to the ratio of: A) Lift to weight B) Thrust to drag C) Centripetal force to weight D) Lift to drag Answer: A) Lift to weight 38. The process by which an aircraft transitions from straight-and-level flight to a climb is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: A) Thrust 39. The phenomenon where an aircraft’s wings generate vortices at their tips, causing induced drag, is known as: A) Wake turbulence B) Vortex shedding C) Wingtip effect D) Ground effect Answer: C) Wingtip effect 40. The aerodynamic force acting parallel to the relative wind and opposite to the direction of flight is known as: A) Lift B) Drag C) Thrust D) Weight Answer: B) Drag 41. The condition where an aircraft’s speed exceeds the critical Mach number, resulting in shock waves and increased drag, is known as: A) Supersonic flight B) Transonic flight C) Subsonic flight D) Hypersonic flight Answer: A) Supersonic flight 42. The term ‘load factor’ refers to the ratio of: A) Lift to weight B) Thrust to drag C) Centripetal force to weight D) Lift to drag Answer: A) Lift to weight 43. The process by which an aircraft transitions from straight-and-level flight to a climb is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: A) Thrust 44. The phenomenon where an aircraft’s wings generate vortices at their tips, causing induced drag, is known as: A) Wake turbulence B) Vortex shedding C) Wingtip effect D) Ground effect Answer: C) Wingtip effect 45. The aerodynamic force acting parallel to the relative wind and opposite to the direction of flight is known as: A) Lift B) Drag C) Thrust D) Weight Answer: B) Drag 46. The condition where an aircraft’s speed exceeds the critical Mach number, resulting in shock waves and increased drag, is known as: A) Supersonic flight B) Transonic flight C) Subsonic flight D) Hypersonic flight Answer: A) Supersonic flight 47. The term ‘load factor’ refers to the ratio of: A) Lift to weight B) Thrust to drag C) Centripetal force to weight D) Lift to drag Answer: A) Lift to weight 48. The process by which an aircraft transitions from straight-and-level flight to a climb is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: A) Thrust 49. The phenomenon where an aircraft’s wings generate vortices at their tips, causing induced drag, is known as: A) Wake turbulence B) Vortex shedding C) Wingtip effect D) Ground effect Answer: C) Wingtip effect 50. The aerodynamic force acting parallel to the relative wind and opposite to the direction of flight is known as: A) Lift B) Drag C) Thrust D) Weight Answer: B) Drag 51. The condition where an aircraft’s speed exceeds the critical Mach number, resulting in shock waves and increased drag, is known as: A) Supersonic flight B) Transonic flight C) Subsonic flight D) Hypersonic flight Answer: A) Supersonic flight 52. The term ‘load factor’ refers to the ratio of: A) Lift to weight B) Thrust to drag C) Centripetal force to weight D) Lift to drag Answer: A) Lift to weight 53. The process by which an aircraft transitions from straight-and-level flight to a climb is primarily influenced by changes in: A) Thrust B) Weight C) Lift D) Drag Answer: A) Thrust 54. The phenomenon where an aircraft’s wings generate vortices at their tips, causing induced drag, is known as: A) Wake turbulence B) Vortex shedding C) Wingtip effect D) Ground effect Answer: C) Wingtip effect 55. The aerodynamic force acting parallel to the relative wind and opposite to the direction of flight is known as: A) Lift B) Drag C) Thrust D) Weight Answer: B) Drag 56. The condition where an aircraft’s speed exceeds the critical Mach number, resulting in shock waves and increased drag, is known as: A) Supersonic flight B) Transonic flight C) Subsonic flight D) Hypersonic flight Answer: A) Supersonic flight 57. The term ‘load factor’ refers to the ratio of: A) Lift to weight B) Thrust to drag C) Centripetal force to weight D) Lift to drag Answer: A) Lift to weight

Flight Theory MCQs

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