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Home > Training for exam quizzes ATPL, PPL(A), PPL(H), BPL Hot Air, BPL Gas, SPL - Sailplane, EASA Drone, FAA Drone > Principle of Flight - PPL(A) - Private Pilot License

Quiz Principle of Flight - PPL(A) - Private Pilot License

Test 10 Questions PPL(A) - Private Pilot License - Principle of Flight, no time limit

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1 - What pattern can be found at the stagnation point? The boundary layer starts separating on the upper surface of the profile The laminar boundary layer changes into a turbulent boundary layer All aerodynamic forces can be considered as attacking at this single point Streamlines are divided into airflow above and below the profile

2 - Which statement describes a situation of static stability? An aircraft distorted by external impact will tend to an even more deflected position An aircraft distorted by external impact will return to the original position An aircraft distorted by external impact can return to its original position by rudder input An aircraft distorted by external impact will maintain the deflected position

3 - Point number 5 in the figure indicates which flight state? See figure (PFA-008) (1,00 P.) Siehe Anlage 5

question 51-95-96.jpg

Best gliding angle Slow flight Stall Inverted flight

4 - What kind of drag is NOT part of the parasite drag? Interference drag Skin-friction drag Induced drag Form drag

5 - Raise the nose to decrease airspeed During recovery the ailerons should be kept neutral Only very old aeroplanes have a risk of spinning During recovery the ailerons should be crossed During the spin the speed constantly increases

6 - What is the diffeence between spin and spiral dive? Spin: stall at outer wing, speed constant; Spiral dive: airflow at both wings, speed increasing rapidly Spin: stall at inner wing, speed constant; Spiral dive: airflow at both wings, speed increasing rapidly Spin: stall at outer wing, speed increasing rapidly; Spiral dive: airflow at both wings, speed constant Spin: stall at inner wing, speed increasing rapidly; Spiral dive: airflow at both wings, speed constant

7 - Number 2 in the drawing corresponds to the... See figure (PFA-010) (1,00 P.) Siehe Anlage 1

question 51-11-12.jpg

Chord line. Chord Angle of attack. Profile thickness.

8 - A take-off with flaps in take-off position causes... An increased rate of climb An increased acceleration A shortening of the take-off run. A decrease in drag.

9 - How do lift and drag change when approaching a stall condition? Lift and drag decrease Lift and drag increase Lift decreases and drag increases Lift increases and drag decreases

10 - Which point on the aerofoil is represented by number 3? See figure (PFA-009) (1,00 P.) Siehe Anlage 2

question 51-15-16-18.jpg

Separation point Center of pressure Stagnation point Transition point

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