Flight Mechanics MCQs

1. What does the term “angle of attack” refer to? a) The angle between the wing and the horizontal ground b) The angle between the aircraft’s longitudinal axis and the relative wind c) The angle between the wing and the tailplane d) The angle between the thrust vector and the lift vector Answer: b) The angle between the aircraft’s longitudinal axis and the relative wind 2. What is the primary effect of increasing the angle of attack? a) Increase drag only b) Increase lift only c) Increase lift and drag d) Decrease lift and drag Answer: c) Increase lift and drag 3. Which equation represents the balance of forces for level flight? a) Thrust = Drag b) Lift = Weight c) Lift + Thrust = Weight + Drag d) Lift = Drag Answer: b) Lift = Weight 4. What is the critical angle of attack known for? a) Maximum lift coefficient b) Minimum drag coefficient c) Onset of stall d) Minimum lift coefficient Answer: c) Onset of stall 5. What is the term for the rotational motion of an aircraft about its lateral axis? a) Roll b) Pitch c) Yaw d) Drift Answer: b) Pitch 6. What does a high aspect ratio wing provide? a) Higher lift at low speeds b) Higher drag at high speeds c) Better performance in turbulent air d) Higher lift-to-drag ratio Answer: d) Higher lift-to-drag ratio 7. What is the primary function of the elevator? a) Control roll b) Control yaw c) Control pitch d) Increase lift Answer: c) Control pitch 8. Which force acts perpendicular to the flight path of an aircraft? a) Thrust b) Drag c) Lift d) Weight Answer: c) Lift 9. What is the purpose of the rudder on an aircraft? a) Control pitch b) Control roll c) Control yaw d) Increase lift Answer: c) Control yaw 10. What is the term for the total distance an aircraft travels along its flight path? a) Range b) Endurance c) Glide distance d) Track Answer: a) Range 11. What does the term “center of gravity” refer to in flight mechanics? a) The point where the aircraft’s lift is concentrated b) The point where the aircraft’s weight is concentrated c) The point where the aircraft’s drag is concentrated d) The point where the aircraft’s thrust is concentrated Answer: b) The point where the aircraft’s weight is concentrated 12. Which factor primarily determines the stalling speed of an aircraft? a) Weight b) Thrust c) Wing area d) Aspect ratio Answer: a) Weight 13. What is the term for the point where the airflow separates from the surface of an airfoil? a) Leading edge b) Trailing edge c) Stagnation point d) Separation point Answer: d) Separation point 14. Which type of drag increases significantly at high speeds, particularly near the speed of sound? a) Parasite drag b) Induced drag c) Wave drag d) Profile drag Answer: c) Wave drag 15. What is the term for the rotational motion of an aircraft about its longitudinal axis? a) Roll b) Pitch c) Yaw d) Drift Answer: a) Roll 16. Which term describes the relationship between lift and drag in an aircraft? a) Lift coefficient b) Drag coefficient c) Lift-to-drag ratio d) Aspect ratio Answer: c) Lift-to-drag ratio 17. What is the primary purpose of flaps on an aircraft? a) Increase drag b) Increase lift at low speeds c) Control yaw d) Control pitch Answer: b) Increase lift at low speeds 18. What does the term “endurance” refer to in aviation? a) The maximum distance an aircraft can travel b) The maximum time an aircraft can stay in the air c) The maximum altitude an aircraft can reach d) The maximum speed an aircraft can achieve Answer: b) The maximum time an aircraft can stay in the air 19. Which flight condition occurs when the lift produced is less than the weight of the aircraft? a) Climb b) Level flight c) Descent d) Cruise Answer: c) Descent 20. What is the primary function of ailerons on an aircraft? a) Control yaw b) Control pitch c) Control roll d) Increase lift Answer: c) Control roll 21. What is the effect of increasing the aspect ratio of a wing? a) Increase drag b) Decrease lift c) Increase lift-to-drag ratio d) Decrease stability Answer: c) Increase lift-to-drag ratio 22. What is the term for the curved upper surface of an airfoil? a) Camber b) Chord c) Span d) Sweep Answer: a) Camber 23. Which type of stability ensures that an aircraft returns to its original position after being disturbed? a) Static stability b) Dynamic stability c) Longitudinal stability d) Lateral stability Answer: b) Dynamic stability 24. What is the primary function of spoilers on an aircraft? a) Increase lift b) Increase drag and reduce lift c) Control yaw d) Control pitch Answer: b) Increase drag and reduce lift 25. What is the term for the maximum distance an aircraft can glide from a given altitude? a) Range b) Endurance c) Glide ratio d) Glide distance Answer: d) Glide distance 26. What does the term “thrust-to-weight ratio” refer to? a) The ratio of lift to drag b) The ratio of thrust to weight c) The ratio of weight to drag d) The ratio of thrust to lift Answer: b) The ratio of thrust to weight 27. Which term describes the rate of change of an aircraft’s velocity? a) Speed b) Acceleration c) Momentum d) Force Answer: b) Acceleration 28. What is the primary purpose of the horizontal stabilizer on an aircraft? a) Control yaw b) Control roll c) Control pitch d) Increase lift Answer: c) Control pitch 29. Which term describes the vertical distance an aircraft climbs or descends per unit of horizontal distance? a) Climb rate b) Descent rate c) Glide ratio d) Climb gradient Answer: d) Climb gradient 30. What is the effect of increasing airspeed on induced drag? a) Increase induced drag b) Decrease induced drag c) No effect on induced drag d) Increase parasite drag Answer: b) Decrease induced drag 31. What is the term for the path that an aircraft follows through the air? a) Flight path b) Glide path c) Airway d) Course Answer: a) Flight path 32. Which type of stability is concerned with the aircraft’s behavior over time after a disturbance? a) Static stability b) Dynamic stability c) Longitudinal stability d) Lateral stability Answer: b) Dynamic stability 33. What is the primary function of the vertical stabilizer on an aircraft? a) Control pitch b) Control roll c) Control yaw d) Increase lift Answer: c) Control yaw 34. Which term describes the angle between the aircraft’s longitudinal axis and the relative wind? a) Angle of incidence b) Angle of attack c) Sideslip angle d) Bank angle Answer: b) Angle of attack 35. What is the effect of a high lift coefficient on the stalling speed of an aircraft? a) Increase stalling speed b) Decrease stalling speed c) No effect on stalling speed d) Increase maximum speed Answer: b) Decrease stalling speed 36. What is the term for the force that opposes an aircraft’s motion through the air? a) Lift b) Thrust c) Drag d) Weight Answer: c) Drag 37. What is the primary purpose of the landing gear on an aircraft? a) Generate lift b) Provide thrust c) Absorb landing impacts d) Increase stability Answer: c) Absorb landing impacts 38. Which component of an aircraft reduces the wingtip vortices and associated drag? a) Flaps b) Winglets c) Spoilers d) Rudder Answer: b) Winglets 39. What is the term for the distance from the leading edge to the trailing edge of an airfoil? a) Span b) Chord c) Camber d) Sweep Answer: b) Chord 40. What is the effect of lowering the flaps on the lift and drag of an aircraft? a) Increase lift and drag b) Increase lift and decrease drag c) Decrease lift and increase drag d) Decrease lift and drag Answer: a) Increase lift and drag 41. What is the term for the maximum speed an aircraft can achieve in level flight? a) Cruise speed b) Maximum speed c) Stall speed d) Vne (Velocity never exceed) Answer: d) Vne (Velocity never exceed) 42. Which flight condition occurs when the lift produced is equal to the weight of the aircraft? a) Climb b) Level flight c) Descent d) Cruise Answer: b) Level flight 43. What is the effect of altitude on the air density and aircraft performance? a) Increase air density and improve performance b) Decrease air density and improve performance c) Increase air density and reduce performance d) Decrease air density and reduce performance Answer: d) Decrease air density and reduce performance 44. What is the primary purpose of the trim tab on an aircraft? a) Increase lift b) Reduce pilot workload by maintaining a desired flight attitude c) Control yaw d) Increase drag Answer: b) Reduce pilot workload by maintaining a desired flight attitude 45. Which term describes the angle between the wing’s chord line and the longitudinal axis of the aircraft? a) Angle of attack b) Angle of incidence c) Sideslip angle d) Bank angle Answer: b) Angle of incidence 46. What is the effect of deploying spoilers on an aircraft during flight? a) Increase lift and decrease drag b) Increase drag and reduce lift c) Increase lift and drag d) Decrease lift and drag Answer: b) Increase drag and reduce lift 47. What is the primary function of the altimeter in an aircraft? a) Measure airspeed b) Measure altitude c) Measure vertical speed d) Measure heading Answer: b) Measure altitude 48. Which term describes the rate of change of altitude per unit of time? a) Climb rate b) Glide ratio c) Descent rate d) Endurance Answer: a) Climb rate 49. What is the term for the path that an aircraft follows during its takeoff or landing? a) Flight path b) Glide path c) Runway d) Approach path Answer: d) Approach path 50. What is the primary purpose of the VOR (VHF Omnidirectional Range) system in aviation? a) Provide weather information b) Provide navigation information c) Provide communication d) Provide engine performance data Answer: b) Provide navigation information

Flight Mechanics MCQs

More MCQs on Avionics Engineering MCQs

Leave a Comment Cancel reply