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Principles of Flight - ATPL - Airline Transport Pilot license

Test 10 domande Principles of Flight, tempo libero

1 - Given two identical aeroplanes with wing mounted engines, one fitted with jet engines and the other with counter rotating propellers, what happens following an engine failure? The same yaw tendency for both aeroplanes regardless of left or right engine failure. The same roll tendency for both aeroplanes. More roll tendency for the propeller aeroplane. Less roll tendency for the propeller aeroplane.

2 - The unit of measurement of pressure is: Psi Kg/dm2 Lb/gal Kg/m3

3 - An aeroplane maintains straight and level flight while the IAS is doubled. The change in lift coefficient will be: X 0.25 X 4.0 X 0.5 X 2.0

4 - Air passes a normal shock wave. Which of the following statements is correct? The static temperature increases The velocity increases The static temperature decreases The static pressure decreases

5 - The 'short period mode' is an: Oscillation about the lateral axis Unstable movement of the aeroplane, induced by the pilot Oscillation about the longitudinal axis Oscillation about the vertical axis

6 - The effect of a ventral fin on the static stability of an aeroplane is as follows: (1=longitudinal, 2=lateral, 3=directional) 1: positive, 2: negative, 3: negative 1: negative, 2: positive, 3: positive 1: no effect, 2: negative, 3: positive 1: no effect, 2: positive, 3: negative

7 - Consider an aeroplane with: 1 a trim tab.2 fully powered hydraulic controls and an adjustable horizontal stabiliser.For both cases and starting from a trimmed condition, how will the neutral position of the control column change, after trimming for a speed increase? 1 moves forward, 2 moves forward. 1 does not change, 2 moves forward. 1 does not change, 2 does not change. 1 moves forward, 2 does not change.

8 - The aspect ratio of the wing: Is the ratio between the wing span and the mean geometric chord Is the ratio between chord and root chord Is the ratio between the tip chord and the wing span Is the ratio between the wing span and the root chord

9 - The stalling speed in IAS will change according to the following factors: Decrease in a forward c.g. location, higher altitude and due to the slip stream from a propeller on an engine located forward of the wing Increase during turn, increased mass and forward c.g. location Increase with increased load factor, more flaps but will not increase due to the bank angle in a turn Increase with increased load factor, icing conditions and an aft c.g. location

10 - A boundary layer fence on a swept wing will: Improve the high speed characteristics Improve the low speed characteristics Improve the lift coefficient of the trailing edge flap Increase the critical Mach Number

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