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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 - When air has passed through a shock wave the local speed of sound is:
2 - Total pressure is: (rho = density)
3 - Which of the following statements about dihedral is correct?
4 - At higher altitudes, the stall speed (IAS):
5 - An aeroplane has static directional stability; in a side-slip to the right, initially the:
6 - If the sum of all the moments in flight is not zero, the aeroplane will rotate about the:
7 - During a climb at a constant IAS, the Mach Number:
8 - The 'short period mode' is an:
9 - Which statement about induced drag and tip vortices is correct?
10 - How is stall warning presented to the pilots of a large transport aeroplane?
11 - A plain flap will increase CLmax by
12 - The SI units of air density (I) and force (II) are:
13 - The lift- and drag forces, acting on a wing cross section:
14 - Rolling is the rotation of the aeroplane about the:
15 - At an aeroplane's minimum drag speed, what is the ratio between induced drag Di and parasite drag Dp? Di / Dp =
16 - The lift formula is: (rho = density)
17 - The aerodynamic centre of the wing is the point, where:
18 - When a jet transport aeroplane takes off with the CG at the forward limit and the trimmable horizontal stabiliser (THS) is positioned at the maximum allowable nose up position for take- off:
19 - An aeroplane performs a continuous descent with 160 KT IAS and 1000 fpm vertical speed. In this condition:
20 - The critical Mach number for an aerofoil equals the free stream airfoil Mach number at which:
21 - Which design features improve static lateral stability? 1. Anhedral. 2. Dihedral. 3. Forward sweep. 4. Sweepback. The combination that regroups all of the correct statements is:
22 - When a strongly swept back wing stalls and the wake of the wing contacts the horizontal tail, the effect on the stall behaviour can be a(n):
23 - The bank angle in a rate-one turn depends on:
24 - The stall speed in a 60° banked turn increases by the following factor:
25 - Tuck under will happen
26 - Ground effect has the following influence on the landing distance:
27 - Which phenomenon is counteracted with differential aileron deflection?
28 - The aerodynamic contribution to the static longitudinal stability of the nacelles of aft fuselage mounted engines is:
29 - The polar curve of an aerofoil is a graphic relation between:
30 - The induced drag coefficient, CDi is proportional to:
31 - Excluding constants, the coefficient of induced drag (CDi) is the ratio of:
32 - Vortex generators on the upper side of the wing:
33 - If a symmetrical aerofoil is accelerated from subsonic to supersonic speed the aerodynamic centre will move
34 - An aeroplane performs a straight and level horizontal flight at the same angle of attack at two different altitudes. (all other factors of importance being constant, assume ISA conditions and no compressibility effects)
35 - When trailing edge flaps are selected down whilst maintaining straight and level flight at constant IAS:
36 - The aeroplane drag in straight and level flight is lowest when the:
37 - Which formula or equation describes the relationship between force (F), acceleration (a) and mass (m)?
38 - The effect of a ventral fin on the static stability of an aeroplane is as follows: (1=longitudinal, 2=lateral, 3=directional)
39 - Compared with the clean configuration, the angle of attack at CLmax with trailing edge flaps extended is:
40 - When comparing a rectangular wing and a swept back wing of the same wing area and wing loading, the swept back wing has the advantage of:
41 - Which of the following statements about a constant speed propeller is correct?
42 - Which of the following will reduce induced drag?
43 - The stall speed increases, when: (all other factors of importance being constant)
44 - The maximum aft position of the centre of gravity is, amongst others, limited by the:
45 - Which kind of boundary layer has the strongest change in velocity close to the surface?
46 - Which definition of propeller parameters is correct?
47 - 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?
48 - Upon extension of a spoiler on a wing:
49 - The speed range between high- and low speed buffet:
50 - Which of the following statements about a Mach trimmer is correct?
51 - The lift coefficient (CL) of an aeroplane in steady horizontal flight is 0.35. An increase in angle of attack of 1 degree would increase CL by 0.079. If a vertical gust instantly changes the angle of attack by 2 degrees, the load factor will be:
52 - A jet transport aeroplane is in a straight climb at a constant IAS and constant weight. The operational limit that may be exceeded is:
53 - Low speed pitch up is caused by the:
54 - Which of the following statements about the spin is correct?
55 - 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?
56 - Flaperons are controls which combine the function of:
57 - What increases the stalling angle of attack? Use of:
58 - The Mach-trim function is installed on most commercial jets in order to minimize the adverse effects of:
59 - When the air is passing through an expansion wave the Mach number will
60 - The units of wing loading (I) W / S and (II) dynamic pressure q are:
61 - What can happen to the aeroplane structure flying at a speed just exceeding VA?
62 - 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?
63 - The angle of attack for a propeller blade is the angle between the blade chord line and the:
64 - One important advantage the turbulent boundary layer has over the laminar layer is that:
65 - Increasing air density will have the following effect on the drag of a body in an airstream (angle of attack and TAS are constant):
66 - The true airspeed (TAS) is:
67 - What data may be obtained from buffet onset boundary data?
68 - The critical Mach number can be increased by
69 - When power assisted controls are used for pitch control:
70 - The lift formula is:
71 - An aeroplane has a stall speed of 78 KCAS at its gross weight of 6850 lbs. What is the stall speed when the weight is 5000 lbs?
72 - When flaps are deployed at constant angle of attack the lift coefficient will:
73 - The relationship between induced drag and the aspect ratio is:
74 - The following unit of measurement: kg m/s^2 is expressed in the SI-system as:
75 - On a un-swept wing, when the aerofoil is accelerated from subsonic to supersonic speeds, the aerodynamic centre:
76 - Trailing edge flap extension will:
77 - 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:
78 - Static pressure acts:
79 - Bernoulli's law states: (note: rho is the mean sea level density under ISA conditions; pstat is static pressure; pdyn is dynamic pressure; ptot is total pressure)
80 - The terms 'q' and 'S' in the lift formula are:
81 - The trailing edge flaps when extended:
82 - Induced drag at constant IAS is affected by:
83 - During the extension of the flaps at a constant angle of attack the aeroplane starts to (all other factors of importance being constant)
84 - The unit of density is:
85 - The relationship between the stall speed VS and VA (EAS) for a large transport aeroplane can be expressed in the following formula: (SQRT= square root)
86 - Constant-speed propellers provide a better performance than fixed-pitch propellers because they:
87 - An aeroplane transitions from steady straight and level flight into a horizontal co-ordinated turn with a load factor of 2, the speed remains constant and the:
88 - The aft movement of the centre of pressure during acceleration through the transonic range will:
89 - VMO:
90 - Increase of wing loading will:
91 - 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
92 - Which of the following situations leads to a decreasing stall speed (IAS)?
93 - In a twin engine jet aeroplane (engines mounted below the low wings) the thrust is suddenly increased. Which elevator deflection will be required to maintain the pitching moment zero?
94 - An aeroplane performs a steady horizontal turn with a TAS of 200 KT. The turn radius is 2000m. The load factor (n) is approximately:
95 - A high aspect ratio wing produces:
96 - 'Tuck under' is:
97 - The high lift device shown in the figure is a:
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98 - In which situation would the wing lift of an aeroplane in straight and level flight have the highest value?
99 - In case the Mach trimmer fails:
100 - What is the effect of high aspect ratio of an aeroplane's wing on induced drag?
101 - The forces of lift and drag on an aerofoil are, respectively, normal and parallel to the:
102 - Which statement about a jet transport aeroplane is correct during take-off with the cg at the forward limit and the trimmable horizontal stabiliser (THS) positioned at the maximum allowable aeroplane nose down position?
103 - An example of differential aileron deflection during initiation of left turn is:
104 - Which of the following wing planforms produces the lowest induced drag? (all other relevant factors constant)
105 - Spoiler deflection causes:
106 - What will happen in ground effect?
107 - Compared with an oblique shock wave at the same Mach number a normal shock wave has a
108 - The (subsonic) static pressure:
109 - Which statement is correct at the speed for minimum drag (subsonic)?
110 - Which load factor determines VA?
111 - Which statement follows from Bernoulli's equation for incompressible flow when total pressure remains constant?
112 - High Aspect Ratio, as compared with low Aspect Ratio, has the effect of:
113 - Flap selection at constant IAS whilst maintaining straight and level flight will increase the:
114 - Examples of aerodynamic balancing of control surfaces are:
115 - Consider the steady flow through a stream tube where the velocity of the stream is V. An increase in temperature of the flow at a constant value of V will:
116 - Critical Mach number is the free stream Mach number at which:
117 - An engine failure can result in a windmilling (1) propeller and a feathered (2) propeller. Which statement about propeller drag is correct?
118 - Which combination of design features is known to be responsible for deep stall?
119 - The most important problem of ice accretion on a transport aeroplane during flight is:
120 - VLE is defined as the:
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