Principles of Flight - ATPL - Airline Transport Pilot license

Test 10 domande ATPL - Airline Transport Pilot license - Principles of Flight, tempo libero

1 - To be able to predict compressibility effects you have to determine the: Mach Number IAS TAS EAS

2 - Which one of the following statements about the lift-to-drag ratio in straight and level flight is correct? At the highest value of the lift / drag ratio the total drag is lowest The highest value of the lift / drag ratio is reached when the lift is equal to the aircraft weight The lift / drag ratio always increases as the lift decreases The highest value of the lift / drag ratio is reached when the lift is zero

3 - Extension of FOWLER type trailing edge lift augmentation devices, will produce: A nose-up pitching moment No pitching moment A force which reduces drag A nose-down pitching moment

4 - The bow wave will first appear at: A Mach number just below M = 1 Mach 1 A Mach number just above M = 1 The critical Mach number

5 - An aeroplane has the following flap positions: 0°, 15°, 30°, 45°. Slats can also be selected. Generally speaking, which selection provides the highest positive contribution to the CLMAX? The slats from the retracted to the take-off position The flaps from 15° to 30° The flaps from 0° to 15° The flaps from 30° to 45°

6 - The application of the area rule on aeroplane design will decrease the Wave drag. Form drag. Induced drag. Skin friction drag.

7 - The flight Mach number is 0.8 and the TAS is 400 kts. The speed of sound is: 500 kts 600 kts 480 kts 320 kts

8 - The maximum aft position of the centre of gravity is, amongst others, limited by the: Maximum longitudinal stability of the aeroplane. Required minimum value of the stick force per g. Inability to achieve maximum rotation rate during take-off. Maximum elevator deflection.

9 - In the transonic range the aeroplane characteristics are strongly determined by: The TAS. The Mach Number. The CAS. The IAS.

10 - If the total sum of moments about one of its axes is not zero, an aeroplane would: Experience an angular acceleration about that axis Not be affected because the situation is normal Fly a path with a constant curvature Be difficult to control

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