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Exam simulation Principles of Flight ATPL - Airline Transport Pilot license

Exam simulation ATPL Principles of Flight 120 questions on 120 minutes

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1 - During landing of a low-winged jet aeroplane, the greatest elevator up deflection is normally required when the flaps are:
2 - A laminar boundary layer is a layer, in which:
3 - Drag is in the direction of - and lift is perpendicular to the:
4 - An aeroplane should be equipped with a Mach trimmer, if:
5 - Tuck under will happen
6 - Which of the following statements about the spin is correct?
7 - 'Flutter' may be caused by:
8 - If the control column is pushed forward, a trim tab on the elevator:
9 - Given an initial condition in straight and level flight with a speed of 1.4 VS. The maximum bank angle attainable without stalling in a steady co-ordinated turn, whilst maintaining speed and altitude, is approximately:
10 - During a phugoid the speed:
11 - The loss of total pressure in a shock wave is due to the fact that
12 - When power assisted controls are used for pitch control:
13 - The formula for the Mach Number is: (a= speed of sound)
14 - An aeroplane has a stalling speed of 100 KT in a steady level flight. When the aeroplane is flying a level turn with a load factor of 1.5, the stalling speed is:
15 - The function of the stick pusher is:
16 - Mcrit is the free stream Mach Number at which:
17 - Which formula or equation describes the relationship between force (F), acceleration (a) and mass (m)?
18 - In order to perform a steady level turn at constant speed in an aeroplane, the pilot must:
19 - Which kind of boundary layer has the strongest change in velocity close to the surface?
20 - Which statement is correct about a spring tab ?
21 - Which combination of design features is known to be responsible for deep stall?
22 - A commercial jet aeroplane is performing a straight descent at a constant Mach number with constant mass. The operational speed limit that may be exceeded is:
23 - Rotation around the normal axis is called:
24 - Increasing dynamic pressure will have the following effect on the drag of an aeroplane (all other factors of importance remaining constant):
25 - The manoeuvre stability of a large jet transport aeroplane is 280 N / g. What stick force is required, if the aeroplane is pulled to the limit manoeuvring load factor from a trimmed horizontal straight and steady flight? (cruise configuration)
26 - If you pull back the RPM lever of a constant speed propeller during a glide with idle power and constant speed, the propeller pitch will:
27 - Which of the following statements about a Mach trimmer is correct?
28 - Dihedral of the wing:
29 - Which of the following statements about a constant speed propeller is correct?
30 - How is adverse yaw compensated for during entry into and roll out from a turn ?
31 - The pitching moment versus angle of attack line in the diagram, which corresponds to a CG located at the neutral point of of a given aeroplane at low and moderate angles of attack is:
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32 - Which statement is correct?The lift to drag ratio determines the
33 - If you decrease the propeller pitch during a glide with idle-power at constant IAS the lift to drag ratio will:
34 - Bernoulli's equation can be written as:(pt= total pressure, ps = static pressure and q=dynamic pressure)
35 - The aeroplane drag in straight and level flight is lowest when the:
36 - 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?
37 - Which of the following aeroplane parts affect induced drag most?
38 - Constant-speed propellers provide a better performance than fixed-pitch propellers because they:
39 - The angle of attack (aerodynamic angle of incidence) of an aerofoil is the angle between the:
40 - The value of the parasite drag in straight and level flight at constant weight varies linearly with the:
41 - The stall speed in a 60° banked turn increases by the following factor:
42 - If the continuity equation is applicable, what will happen to the air density (rho) if the cross sectional area of a tube changes? (low speed, subsonic and incompressible flow)
43 - Which statement with respect to the speed of sound is correct ?
44 - If an aeroplane flies in the ground effect
45 - Some aeroplanes have a 'waist' or 'coke bottle' contoured fuselage. This is done to
46 - The airload on the horizontal tailplane (tailload) of an aeroplane in straight and level flight:
47 - The critical Mach Number of an aeroplane can be increased by:
48 - When the air is passing through an expansion wave the local speed of sound will
49 - The (subsonic) static pressure:
50 - One advantage of a movable-stabilizer system compared with an elevator trim system is that:
51 - The extreme right limitation for both V-n (gust and manoeuvre) diagrams is created by the speed:
52 - An aeroplane exhibits static longitudinal stability, if, when the angle of attack changes:
53 - An aeroplane has a stall speed of 100 kt at a mass of 1000 kg. If the mass is increased to 2000 kg, the new value of the stall speed will be:
54 - What will increase the sensitivity to Dutch Roll?
55 - The correct drag formula is:
56 - How will the density and static temperature change in a supersonic flow from a position in front of a shock wave to behind it ?
57 - Which of the following statements about stall speed is correct?
58 - Which of the following statements concerning control is correct?
59 - Load factor is:
60 - Mach buffet occurs:
61 - What can happen to the aeroplane structure flying at a speed just exceeding VA ?
62 - Which of the following situations leads to a decreasing stall speed (IAS)?
63 - In which phase of the take-off is the aerodynamic effect of ice located on the wing leading edge most critical?
64 - The unit of density is:
65 - A boundary layer fence on a swept wing will:
66 - The relative thickness of an aerofoil is expressed as:
67 - Assuming no compressibility effects, induced drag at constant IAS is affected by:
68 - One disadvantage of wing sweep is the stalling characteristics. At the stall:
69 - Which type of stall has the largest associated angle of attack?
70 - A body is placed in a certain airstream. The density of the airstream decreases to half of the original value. The aerodynamic drag will decrease with a factor:
71 - Which statement is correct about a normal shock wave ?
72 - The terms 'q' and 'S' in the lift formula are:
73 - The bank angle in a rate-one turn depends on:
74 - Examples of aerodynamic balancing of control surfaces are:
75 - Which aeroplane behaviour will be corrected by a yaw damper ?
76 - A conventional stabiliser on a stable aeroplane in a normal cruise condition: 1 - always provides negative lift.2 - contributes to the total lift of the aeroplane.3 - may stall before the wing, in icing conditions, with large flap settings, unless adequate design and/or operational precautions are taken.4 - is necessary to balance the total pitch moment of the aeroplane. Which of the following lists all the correct statements ?
77 - How does the total drag vary as speed is increased from stalling speed (VS) to maximum IAS (VNE) in a straight and level flight at constant weight?
78 - What is the effect of an aft shift of the centre of gravity on ( 1) static longitudinal stability and( 2) the required control deflection for a given pitch change?
79 - The following factors increase stall speed:
80 - If you push forward the RPM lever of a constant speed propeller during a glide with idle power and constant speed, the propeller pitch will:
81 - If the sum of all the moments in flight is not zero, the aeroplane will rotate about the:
82 - The aft movement of the centre of pressure during acceleration through the transonic range will:
83 - Which load factor determines VA?
84 - Bernoulli's law states:(note: rho is the mean sea level density under ISA conditions
85 - The bow wave will first appear at:
86 - Spoiler deflection causes:
87 - Which statement about a primary control surface controlled by a servo tab, is correct?
88 - Total pressure is: (rho = density)
89 - Vortex generators:
90 - The maximum aft position of the centre of gravity is, amongst others, limited by the:
91 - The lift formula is: (rho = density)
92 - What is the limit load factor of a large transport aeroplane?
93 - The angle of attack for a propeller blade is the angle between the blade chord line and the:
94 - Which one of the following statements about Bernoulli's theorem is correct?
95 - In case of supersonic flow retarded by a normal shock wave a high efficiency (low loss in total pressure) can be obtained if the Mach number in front of the shock is
96 - The stalling speed in IAS will change according to the following factors:
97 - Deploying a Fowler flap, the flap will:
98 - An engine failure can result in a windmilling ( 1) propeller and a feathered ( 2) propeller. Which statement about propeller drag is correct?
99 - The effect of a positive wing sweep on static directional stability is as follows:
100 - The relationship between induced drag and the aspect ratio is:
101 - The most important problem of ice accretion on a transport aeroplane during flight is:
102 - The effect of the wing downwash on the static longitudinal stability of an aeroplane is:
103 - When an aeroplane with the centre of gravity forward of the centre of pressure of the combined wing / fuselage is in straight and level flight, the vertical load on the tailplane will be:
104 - An aeroplane has static directional stability
105 - A jet aeroplane cruises buffet free at high constant altitude. Which type of stall can occur if this aeroplane decelerates during an inadvertent increase in load factor?
106 - High Aspect Ratio, as compared with low Aspect Ratio, has the effect of:
107 - Compared with stalling airspeed (VS) in a given configuration, the airspeed at which stick shaker will be triggered is:
108 - The high lift device shown in the figure is a:
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109 - Positive static lateral stability is the tendency of an aeroplane to:
110 - The Mach number:
111 - In case the Mach trimmer fails:
112 - Bernoulli's equation can be written as:(pt = total pressure, ps = static pressure, q = dynamic pressure)
113 - Dihedral of the wing is:
114 - A body is placed in a certain airstream. The airstream velocity increases by a factor 4. The aerodynamic drag will increase with a factor:
115 - Which one of the following systems suppresses the tendency to 'Dutch roll'?
116 - An example of differential aileron deflection during initiation of left turn is:
117 - On a wing fitted with a 'Fowler' type trailing edge flap, the 'Full extended' position will produce:
118 - At an aeroplane's minimum drag speed, what is the ratio between induced drag Di and parasite drag Dp? Di / Dp =
119 - On a swept wing aeroplane at low airspeed, the 'pitch up' phenomenon:
120 - When flaps are deployed at constant angle of attack the lift coefficient will:
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