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Home > Exam Tests > Principle of Flight - PPL(A) - Private Pilot License

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 - 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

2 - What is meant by "ground effect"? Increase of lift and increase of induced drag close to the ground Decrease of lift and increase of induced drag close to the ground Decrease of lift and decrease of induced drag close to the ground Increase of lift and decrease of induced drag close to the ground

3 - Which factor can be changed by deploying flaps for landing? The position of the center of gravity The effectiveness of the ailerons The twist effect of the engine The trim condition

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

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Transition point Stagnation point Center of pressure Separation point

5 - Rotation around the lateral axis is called... Rolling Stalling Yawing Pitching

6 - Which effect does a decreasing airspeed have on the induced drag during a horizontal and stable cruise flight? The induced drag will increase The induced drag will collapse The induced drag will remain constant The induced drag will slightly decrease

7 - Which kinds of drag contribute to total drag? Form drag, skin-friction drag, interference drag Interference drag and parasite drag Induced drag, form drag, skin-friction drag Induced drag and parasite drag

8 - In order to improve the stall characteristics of an aircraft, the wing is twisted outwards (the angle of incidence varies spanwise). This is known as... Aerodynamic washout Arrow shape V-form. Geometric washout

9 - Which statement regarding the "constant-speed propeller" is correct? The propeller keeps the airspeed constant The pitch of the propeller rises with higher speeds The RPM decreases with lower speeds The set RPM is kept constant by the motor power (MAP)

10 - Rotation around the vertical axis is called... Rolling Pitching Yawing Slipping

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