# Pilot Exam - Aerodynamics

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1. 3203. The acute angle A is the angle of:

A. Attack
B. Dihedral
C. incidence.
A. The angle of attack is the acute angle between the relative wind and the chord line of the wing.
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2. 3204. The term "angle of attack" is defined as the angle:

A. between the wing chord line and the relative wind.
B. formed by the longitudinal axis of the airplane and the chord line of the wing.
C. between the airplane's climb angle and the horizon.
A. The angle of attack is the acute angle between the relative wind and the chord line of the wing.
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3. 3204-1 The angle between the chord line of an airfoil and the relative wind is known as the angle of :

A. Incidence
B. Attack
C. Lift
B. The angle of attack
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4. 3317 Angle of attack is defined as the angle between the chord line of an airfoil and the:

A. pitch angle of an airfoil.
B. direction of the relative wind.
C. rotor plane of rotation.
B. The angle of attack is the angle between the chord line of the airfoil and the direction of the relative wind.
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5. 3201-1 Which statement relates to Bernoulli's principle?

A. For every action there is an equal and opposite reaction.
B. An additional upward force is generated as the lower surface of the wing deflects air downward.
C. Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface.
C.
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6. 3201 The four forces acting on an airplane in flight are:

A. lift, gravity, power, and friction.
B. lift, weight, thrust, and drag.
C. lift, weight, gravity, and thrust.
B. Lift, weight, thrust, drag
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7. 3213 What is the purpose of the rudder on an airplane?

A. To control roll.
B. To control over-banking tendency.
C. To control yaw.
C. To control yaw.
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8. 3205 What is the relationship of lift, drag, thrust, and weight when the airplane is in straight and level flight?

A. Lift and weight equal thrust and drag.
B. Lift equals weight and thrust equals drag.
C. Lift, drag, and weight equal thrust.
B. Lift=Weight, and Thrust=Drag
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9. 3202 When are the four forces that act on an airplane in equilibrium?

A. When the aircraft is at rest on the ground.
B. When the aircraft is accelerating.
C. During unaccelerated flight.
C. During unaccelerated flight.
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10. 3210 An airplane said to be inherently stable will:

A. Require less effort to control.
B. Not spin.
C. Be difficult to stall.
A. Requires less effort to control.
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11. 3211 What determines the longitudinal stability of an airplane?

A. The effectiveness of the horizontal stabilizer, rudder, and rudder trim tab.
B. The location of the CG with respect to center of lift.
C. The relationship of the thrust and lift to weight and drag.
B. The location of the CG with respect to the center of lift.
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12. 3212 What causes an airplane, except a t-tail, to pitch nose-down when power is reduced and controls are not adjusted?

A. The CG shifts forward when thrust and drag are reduced.
B. The downwash on the elevators from the propeller slipstream is reduced and elevator effectiveness is reduced.
C. When thrust is reduced to less than weight, lift is also reduced and the wings can no longer support the weight.
B. The downwash on the elevators from the propeller slipstream is reduced and elevator effectiveness is reduced.
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13. 3287 An airplane has been loaded in such a manner that the CG is located aft of the aft CG limit. One undesirable flight characteristic a pilot might experience with this airplane would be:

A. A longer takeoff run.
B. Stalling at higher than normal airspeed.
C. Difficulty in recovering from a stalled condition.
C. Difficulty in recovering from a stalled condition.
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14. 3288 Loading an airplane to the most aft CG will cause the airplane to be:

A. Less stable at high speeds, but more stable at low speeds.
B. Less stable at all speeds.
C. Less stable at slow speeds, but more stable at hight speeds.
B. Less stable at all speeds.
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15. 3211.1 Changes in the center of pressure of a wing affects the aircraft's:

A. lifting capacity.
B. lift/drag ration.
C. aerodynamic balance and controllability .
C. aerodynamic balance and controllability .
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16. 3214 (Refer to Figure 2) If an airplane weights 2,300 pounds, what approximate weight would the airplane structure be required to support during a 60 degree banked turn while maintaining altitude?

A. 2300 pounds
B. 3400 pounds
C. 4600 pounds
C. 4600 pounds
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17. 3215 (Refer to Figure 2) If an airplane weighs 3,300 pounds, what approximate weight would the airplane structure be required to support during a 30 degree banked turn while maintaining altitude?

A. 3100 pounds
B. 3960 pounds
C. 1200 pounds
B. 3960 pounds
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18. 3216 (Refer to Figure 2.) If an airplane weighs 4500 pounds, what approximate weight would the airplane structure be required to support during a 45 degree banked turn while maintaining altitude?

A. 7200
B. 6750
C. 4500
B. 6750 is the closest.
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19. 3217 The amount of excess load that can be imposed on the wing of an airplane depends upon the:

A. position of the CG
B. speed of the airplane.
C. abruptness at which the load is applied.
B. speed of the airplane.
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20. 3218 Which basic flight maneuver increases the load factor on an airplane as compared to straight and level flight?

A. Climbs
B. Stalls
C. Turns
C. Turns
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21. 3301 What force makes an airplane turn?

A. The vertical component of lift.
B. The horizontal component of lift.
C. Centrifugal force.
B. The horizontal component of lift.
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22. 3316 During an approach to a stall, an increased load factor will cause the airplane to:

A. stall at a higher airspeed.
B. have a tendency to spin.
C. be more difficult to control.
A. stall at a higher airspeed.
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23. 3202-1 Select the four flight fundamentals involved in maneuvering an aircraft:

A. Straight and level flight turns, climbs, and descents.
B. Starting, taxiing, takeoff, and landing.
C. Aircraft power, pitch, bank, and trim
A. Straight and level flight turns, climbs, and descents.
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24. 3202-2 (Refer to Figure 63) In flying the rectangular course, when would the aircraft be turned less than 90 degrees?

A. Corners 1 and 4
B. Corners 1 and 2
C. Corners 2 and 4
A. Corners 1 and 4
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25. 3202-3 (Refer to Figure 67) While practicing S turns a consistently smaller half circle is made on one side of the road than on the other, and this turn is not completed before crossing the road or reference line. This would most likely occur in turn:

A. 1-2-3 because the bank is decreased too rapidly during the latter part of the turn.
B. 4-5-6 because the bank is increased too rapidly during the early part of the turn.
C. 4-5-6 because the bank is increased too slowly during the latter part of the turn.
B. 4-5-6 because the bank is increased too rapidly during the early part of the turn.
26. 3202-4 If an emergency situation requires a downwind landing, pilots should expect a faster:

A. ground speed at touchdown, a shorter ground roll and the likelihood of undershooting the desired touchdown point.
B. airspeed at touchdown, a longer ground roll, and better control throughout the landing roll.
C. ground speed at touchdown, a longer ground roll, and the likelihood of overshooting the desired touchdown point.
C. ground speed at touchdown, a longer ground roll, and the likelihood of overshooting the desired touchdown point.
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27. 3263 As altitude increases, the indicated airspeed at which a given airplane stalls in a particular configuration will:

A. decrease as the true airspeed decreases
B. remain the same regardless of altitude
C. decrease as the true airspeed increases
B. remain the same regardless of altitude
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28. 3309 In what flight condition must an aircraft be placed in order to spin?

A. In a steep diving spiral
B. Stalled
C. Partially stalled with one wing low
B. Stalled
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29. 3310 During a spin to the left, which wing(s) is/are stalled?

A. Neither wing is stalled
B. Only the left wing is stalled
C. Both wings are stalled
C. Both wings are stalled
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30. 3311 The angle of attack at which an airplane wing stalls will:

A. change with an increase in gross weight
B. increase if the CG is moved forward
C. remain the same regardless of gross weight
C. remain the same regardless of gross weight
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31. 3219 One of the main functions of flaps during approach and landing is to:

A. increase the angle of descent without increasing the airspeed
B. permit a touchdown at a higher indicated airspeed
C. decrease the angle of descent without increasing the airspeed.
A. increase the angle of descent without increasing the airspeed
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32. 3220 What is one purpose of wing flaps?

A To enable the pilot to make steeper approaches to a landing without increasing the airspeed
B. To relieve the pilot of maintaining continuous pressure on the controls.
C. To decrease wing area to vary the lift
A To enable the pilot to make steeper approaches to a landing without increasing the airspeed
33. 3315 Ground effect is most likely to result in which problem?

A. Settling to the surface abruptly during landing
B. Inability to get airborne even though airspeed is sufficient for normal takeoff needs.
C. Becoming airborne before reaching recommended takeoff speed
C. Becoming airborne before reaching recommended takeoff speed
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34. 3312 What is ground effect?

A. The result of the disruption of the airflow patterns about the wings of an airplane to the point where the wings will no longer support the airplane in flight.
B. The result of an alteration in the airflow patterns increasing induced drag about the wings of an airplane.
C. The result of the interference of the surface of the Earth with the airflow patterns about an airplane.
C. The result of the interference of the surface of the Earth with the airflow patterns about an airplane.
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35. 3313 Floating caused by the phenomenon of ground effect will be most realized during an approach to land when at:

A. less than the length of the wingspan above the surface.
B. twice the length of the wingspan above the surface.
C. a higher than normal angle of attack.
A. less than the length of the wingspan above the surface
36. 3314 What must a pilot be aware of as a result of ground effect?

A. Wingtip vortices increase creating wake turbulence problems for arriving and departing aircraft.
B. A full stall landing will require less up elevator deflection than would a full stall when done free of ground effect.
C. Induced drag decreases; therefore, any excess speed a the point of flare may cause considerable floating.
C. Induced drag decreases; therefore, any excess speed a the point of flare may cause considerable floating.
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37. 3829-2 When landing behind a large aircraft, which procedure should be followed for vortex avoidance?

A. Stay below and to one side of its final approach flightpath.
B. Stay well below its final approach flightpath and land at least 2000 feet behind.
C. Stay above its final approach flight path all the way to touchdown.
C. Stay above its final approach flight path all the way to touchdown.
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38. 3829-3 How does the wake turbulence vortex circulate around each wingtip?

A. Outward, upward, and around each tip.
B. Inward, upward, and counterclockwise.
C. Inward, upward, and around each tip.
C. Inward, upward, and around each tip.
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39. 3827 When taking off or landing at an airport when heavy aircraft are operating, one should be particularly alert to the hazards of wingtip vortices because this turbulence tends to:

A. rise from a crossing runway into the takeoff or landing path.
B. sink into the flight path of aircraft operating below the aircraft generating the turbulence.
C. rise into the traffic pattern area surrounding the airport.
B. sink into the flight path of aircraft operating below the aircraft generating the turbulence.
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40. 3824 Wingtip vortices are created only when an aircraft is:

B. operating at high airspeeds.
C. developing lift.
C. developing lift
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41. 3825 The greatest vortex strength occurs when the generating aircraft is:

A. light, dirty, and fast.
B. heavy, clean and slow.
C. heavy, dirty, and fast.
B. heavy, clean and slow
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42. 3826 Wingtip vortices created by large aircraft tend to:

A. rise into the takeoff or landing path of a crossing runway.
B. rise into the traffic pattern.
C. sink below the aircraft generating turbulence.
C. sink below the aircraft generating turbulence.
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43. 3828 The wind condition that requires maximum caution when avoiding wake turbulence on landing is a:

B. light, quartering tailwind.
B. light, quartering tailwind.
44. 3829 When landing behind a large aircraft the pilot should avoid wake turbulence by staying:

A. above the large aircraft's final approach path and landing beyond the large aircraft's touchdown point.
B. below the large aircraft's final approach path and landing before the large aircraft's touchdown point.
C. above the large aircraft's final approach path and landing before the large aircraft's touchdown point.
A. above the large aircraft's final approach path and landing beyond the large aircraft's touchdown point.
45. 3830 When departing behind a heavy aircraft, the pilot should avoid wake turbulence by maneuvering the aircraft:

A. below and downwind from the heavy aircraft.
B. above and upwind from the heavy aircraft.
C. below and upwind from the heavy aircraft.
B. above and upwind from the heavy aircraft.
 Author: RobbHawks ID: 60588 Card Set: Pilot Exam - Aerodynamics Updated: 2012-01-30T05:13:21Z Folders: Description: 2011 Private Pilot Exam Practice Questions on Aerodynamics Show Answers: