Emanuel Rivera
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PPL 2025 - 2026 PPL Quiz am Chapter 1 - Aerodynamics, erstellt von Emanuel Rivera am 05/06/2014.

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Emanuel Rivera
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Chapter 1 - Aerodynamics

Frage 1 von 24

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3212. What Causes an airplane (except a T-tail) to pitch nosedown when power is reduced and controls are not adjusted?

Wähle eine der folgenden:

  • 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 the thrust is reduced to less than weight, lift is also reduced and the wings can no longer support the weight.

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Frage 2 von 24

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3287. An airplane has been loaded in such a manner that the CG is located aft of the CG limits. One undesirable flight characteristic a pilot might experience with this airplane would be

Wähle eine der folgenden:

  • a) a longer takeoff run.

  • b) difficulty in recovering from a stalled condition.

  • c) stalling at higher-than-normal airspace.

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Frage 3 von 24

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3203. (Refer to figure 1.) The acute angle A is the angle of

Wähle eine der folgenden:

  • incidence.

  • attack.

  • dihedral.

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Frage 4 von 24

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3204. The term "angle of attack" is defined as the angle

Wähle eine der folgenden:

  • between the wing chord line and the relative wind.

  • between the airplane's climb angle and the horizon.

  • formed by the longitudinal axis of the airplane and the cord line of the wing.

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Frage 5 von 24

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3204-1. The angle between the chord line of an airfoil and the relative wind is known as the angle of

Wähle eine der folgenden:

  • lift.

  • attack.

  • incidence.

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Frage 6 von 24

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3288. Loading an airplane to the most aft CG will cause the airplane to be

Wähle eine der folgenden:

  • a) less stable at all speeds.

  • b) less stable at slow speeds, but more stable at high speeds.

  • c) less stable at high speeds, but more stable at low speeds.

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Frage 7 von 24

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3211-1. Changes in the center of pressure of a wing affect the aircraft's

Wähle eine der folgenden:

  • a) lift/drag ratio.

  • b) lifting capacity.

  • c) aerodynamic balance and controllability.

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Frage 8 von 24

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3316. During an approach to a stall, an increased load factor will cause the airplane to

Wähle eine der folgenden:

  • a) stall at a higher speed.

  • b) have tendency to spin.

  • c) be more difficult to control.

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Frage 9 von 24

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3202-4. If an emergency situation requires a downwind landing, pilots should expect a faster

Wähle eine der folgenden:

  • a) airspeed at touchdown, a longer ground roll, and better control throughout the landing roll.

  • b) groundspeed at touchdown, a longer ground roll, and the likelihood of overshooting the desired touchdown point.

  • c) groundspeed at touchdown, a shorter ground roll, and the likelihood of undershooting the desired touchdown point.

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Frage 10 von 24

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3263. As altitude increased, the indicated airspeed at which a given airplane stalls in a particular configuration will

Wähle eine der folgenden:

  • a) decreased as the true airspeed decreases.

  • b) decreased as the true airspeed increases.

  • c) remain the same regardless of altitude.

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Frage 11 von 24

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3311. The angle of attack at which an airplane wing stalls will

Wähle eine der folgenden:

  • a) increased if the CG is moved forward.

  • b) change with an increase in gross weight.

  • c) remain the same regardless of gross weight.

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Frage 12 von 24

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3315. Ground effect is most likely to result in which problem?

Wähle eine der folgenden:

  • a) Settling to the surface abruptly during landing.

  • b) Becoming airborne before reaching recommended takeoff speed.

  • c) Inability to get airborne even though airspeed is sufficient for normal takeoff needs.

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Frage 13 von 24

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3312. What is ground effect?

Wähle eine der folgenden:

  • a) The result of the interference of the surface of the earth with the airflow patterns about an airplane.

  • b) The result of an alteration in airflow patterns increasing induced drag about the wings of an airplane.

  • c) The result of the disruption of the airflow patterns about the wings will no longer support the airplane in flight.

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Frage 14 von 24

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3313. Floating caused by the phenomenon of ground effect will be most realized during an approach to land when at

Wähle eine der folgenden:

  • 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

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Frage 15 von 24

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3314. What most pilot be aware of as a result of ground effect?

Wähle eine der folgenden:

  • a) Wingtip vortices increase creating wake turbulence problems for arriving and departing aircraft

  • b) Induced drag decreases; therefore, any excess speed at the point of flare may cause considerable floating.

  • c) A full stall landing will require less up elevator deflection than would a full stall when done free of ground effect.

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Frage 16 von 24

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3829-2. When landing behind a large aircraft, which procedure should be followed for vortex avoidance?

Wähle eine der folgenden:

  • a) Stay above its final approach flightpath all the way to touchdown.

  • b) Stay below and to one side of its final approach fligthpath.

  • c) Stay well below its final approach flightpath and land at least 2,000 feet behind.

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Frage 17 von 24

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3829-3. How does the wake turbulence vortex circulate around each wingtip?

Wähle eine der folgenden:

  • a) Inward, upward, and around each tip.

  • b) Inward, upward, and counterclockwise.

  • c) Outward, upward, and around each tip.

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Frage 18 von 24

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3827. When taking off or landing at an airport where heavy aircraft are operating, one should be particularly alert to the hazards of wingtip vortices because this turbulence tends to

Wähle eine der folgenden:

  • a) rise from a crossing runway into the takeoff or landing path.

  • b) rise into the traffic pattern area surrounding the airport.

  • c) sink into the flightpath of aircraft operating below the aircraft generating the turbulence.

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Frage 19 von 24

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3824. Wingtip vortices are created only when an aircraft is

Wähle eine der folgenden:

  • a) operating at high airspeed.

  • b) heavily loaded.

  • c) developing lift.

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Frage 20 von 24

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3825. The greatest vortex strength occurs when the generating aircraft is

Wähle eine der folgenden:

  • a) light, dirty, and fast.

  • b) heavy, dirty, and fast.

  • c) heavy, clean, and slow.

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Frage 21 von 24

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3826. Wingtip vortices created by larger aircraft tend to

Wähle eine der folgenden:

  • a) sink below the aircraft generating turbulence.

  • b) rise into the traffic pattern.

  • c) rise into the takeoff or landing path of a crossing runway.

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Frage 22 von 24

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3828. The wind condition that requires maximum caution when avoiding wake turbulence on landing is a

Wähle eine der folgenden:

  • a) light, quartering headwind.

  • b) light, quartering tailwind.

  • c) strong headwind.

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Frage 23 von 24

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3829. When landing behind a large aircraft, the pilot should avoid wake turbulence by staying

Wähle eine der folgenden:

  • 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

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Frage 24 von 24

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3830. When departing behind a heavy aircraft's, the pilot should avoid wake turbulence by maneuvering the aircraft

Wähle eine der folgenden:

  • a) below and downwind from a heavy aircraft.

  • b) above and upwind from a heavy aircraft.

  • c) below and upwind from the heavy aircraft.

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