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ADX Exam > Aerodynamics and Aircraft Pt 1 > Flashcards

Aerodynamics and Aircraft Pt 1 Flashcards

1
Q

When are inboard ailerons normally used?

A) Low-speed flight only,
B) High-speed flight only.
C) Low-speed and high-speed flight.

A

C) Low-speed and high-speed flight.

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2
Q

When are outboard ailerons normally used?

Low-speed flight only,
High-speed flight only.
Low-speed and high-speed flight.

A

Low-speed flight only,

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3
Q

Which of the following is considered a primary flight control?

Slats.
Elevator.
Dorsal fin.

A

Elevator.

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4
Q

Which of the following is considered an auxiliary flight control?

Ruddervator,
Upper rudder.
Leading-edge flaps.

A

Leading-edge flaps.

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5
Q

What is the purpose of a control tab, such as those found on 8-727 airplanes?

Move the flight controls in the event of manual reversion,

Reduce control forces by deflecting in the proper direction to move a
primary flight control,

Prevent a control surface from moving to a full-deflection position due to
aerodynamic forces.

A

Move the flight controls in the event of manual reversion,

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6
Q

What is the purpose of a servo tab?

Move the flight controls in the event of manual reversion,

Reduce control forces by deflecting in the proper direction to move a
primary flight control,

Prevent a control surface from moving to a full-deflection position due to
aerodynamic forces,

A

Reduce control forces by deflecting in the proper direction to move a
primary flight control,

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7
Q

For which purpose may flight spoilers be used?

Reduce the wings’ lift upon landing,

Increase the rate of descent without increasing aerodynamic drag.

Aid in longitudinal balance when rolling an airplane into a turn,

A

Reduce the wings’ lift upon landing,

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8
Q

What is the purpose of an elevator trim tab?

Provide horizontal balance as airspeed is increased to allow hands-off flight,

Adjust the speed tail load for different airspeeds in flight allowing neutral
control forces,

Modify the downward tail load for various airspeeds in flight eliminating
flight-control pressures,

A

Modify the downward tail load for various airspeeds in flight eliminating
flight-control pressures,

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9
Q

Which is a purpose of wing-mounted vortex generators?

Delays the onset of drag divergence at high speed and aids in maintaining
aileron effectiveness at high speed.

Increase the onset of drag divergence and aid in aileron effectiveness at low
speed.

Break the airflow over the wing so the stall will progress from the root out to
the tip of the wing.

A

Delays the onset of drag divergence at high speed and aids in maintaining
aileron effectiveness at high speed.

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10
Q

What affects indicated stall speed?

Weight, load factor, and power.

Load factor, angle of attack, and power.

Angle of attack, weight, and air density.

A

Weight, load factor, and power.

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11
Q

Loading an airplane with the CG aft of its aft limit will have what impact on
performance?

Airplane will fly slower and require more power,

The longitudinal axis will be impacted,

General pitch instability,

A

General pitch instability,

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12
Q

The primary purpose of high-lift devices is to increase the

L/Dmax,

lift at low speeds.

drag and reduce airspeed.

A

lift at low speeds.

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13
Q

What effect does the leading edge slot in the wing have on performance?

Decreases profile drag.

Changes the stalling angle of attack to a higher angle.

Decelerates the upper surface boundary layer air.

A

Changes the stalling angle of attack to a higher angle.

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14
Q

What is the principal advantage of a sweepback design wing over a straightwing
design?

The critical Mach number will increase significantly.

Sweepback will increase changes in the magnitude of force coefficients due
to compressibility,

Sweepback will accelerate the onset of compressibility effect.

A

The critical Mach number will increase significantly.

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15
Q

What is one disadvantage of a sweptwing design?

The wing root stalls prior to the wingtip section.

The wingtip section stalls prior to the wing root,

Severe pitchdown moment when the center of pressure shifts forward.

A

The wingtip section stalls prior to the wing root,

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16
Q

What is the condition that may occur when gusts cause a swept wing type
airplane to roll in one direction while yawing in the other?

Mach buffet,

Wingover,

Dutch roll,

A

Dutch roll,

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17
Q

What is the movement of the center of pressure when the airflow stalls at the
wingtips of a sweptwing airplane?

Inward and aft.

Inward and forward.

Outward and forward,

A

Inward and forward.

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18
Q

What should a pilot do to maintain * best range airplane performance when a
tailwind is encountered?

Increase speed.

Maintain speed.

Decrease speed.

A

Decrease speed.

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19
Q

At what speed, with reference to L/Dmax, does maximum rate-of-climb for a jet
airplane occur?

A speed greater than that for L/Dmax,

A speed equal to that for L/Dmax,

A speed less than that for L/Dmax.

A

A speed greater than that for L/Dmax,

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20
Q

(Refer to appendix 2, figures 46 and 47.) What are VI and VR speeds?
Field Elevation: 2,500 feet
Altimeter Setting: 29.40’
Ambient Temperature: +50’F
Weight: 75,000
Flap Position: 20’
Runway Slope%: +1%
Wind Component IO HW
Ice Protection: Both

VI 125 knots; VR 127 knots, V2 131 knots.

VI 121 knots; VR 124 knots, V2 131 knots.

VI 122 knots; VR 124 knots, V2 131 knots.

A

VI 125 knots; VR 127 knots, V2 131 knots.

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21
Q

(Refer to appendix 2, figures 46 and 47J What are VI and VR speeds?
Field Elevation: 600 feet
Altimeter Setting: 30.50*
Ambient Temperature:
Weight: 85,000
Flap Position: 20’
Runway Slope -IS%
Wind Component: IO TW
Ice Protection: None

VI 130.5 knots; VR 133.2 knots, V2 139.0 knots.

VI 129.1 knots; VR 135.0 knots, V2 139.0 knots.

VI 127.5 knots; VR 133.7 knots, V2 139.0 knots.

A

VI 127.5 knots; VR 133.7 knots, V2 139.0 knots.

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22
Q

(Refer to appendix 2, figures 46 and 47.) What are VI and VR speeds?
Field Elevation: 4,200 feet
Altimeter Setting: 1020mb
Ambient Temperature: O’C
Weight: 90,000
Flap Position: 20z
Runway Slope 96: 0%
Wind Component: IS HW
Ice Protection: Both

VI 136.8 knots; VR 141.8 knots, V2 143.0 knots.

VI 134.8 knots; VR 139.0 knots, V2 143.0 knots,

VI 133.5 knots; VR 141.0 knots, V2 143.0 knots.

A

VI 136.8 knots; VR 141.8 knots, V2 143.0 knots.

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23
Q

(Refer to appendix 2, figures 46 and 47.) What are VI and VR speeds? [Please
Read the Explanation,]
Field Elevation: 5,100 feet
Altimeter Setting: 29.35’
Ambient Temperature: +30+F
Weight: 80,000
Flap Position: 20’
Runway Slope%: +1.5%
Wind Component 5 TW
Ice Protection: Engine

VI 128.0 knots; VR 130.5 knots, V2 135.0 knots,

VI 129.9 knots; VR 133.4 knots, V2 135.0 knots.

VI 128.6 knots; VR 131.1 knots, V2 135.0 knots,

A

VI 129.9 knots; VR 133.4 knots, V2 135.0 knots.

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24
Q

(Refer to appendix 2, figures 46 and 47 J What are VI and VR speeds?
Field Elevation: 2,100 feet
Altimeter Setting: 103Smb
Ambient Temperature: +20’C
Weight: 65,000
Flap Position: 20’
Runway Slope % -2%
Wind Component: 20 HW
Ice Protection: None

VI 110.4 knots; VR 110.9 knots, V2 121.5 knots.

VI 109.6 knots; VR 112,7 knots, V2 121.5 knots.

VI 106.4 knots; VR 106.4 knots, V2 121.5 knots.

A

VI 109.6 knots; VR 112,7 knots, V2 121.5 knots.

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25
Q

(Refer to appendix 2, figure 50.) What is the ground distance covered during en
route climb under the given conditions? [Please read the Explanation.]
Initial Weight 84,000 lbs
Cruise Pressure Altitude: 34,000 feet
Average Wind Component: 20 knot headwind

104.0 NM,

99.2 NM.

109.7 NM.

A

104.0 NM,

26
Q

(Refer to appendix 2, figures 48, 49, and 50.) What is the ground distance covered
during en route climb for Operating Conditions W-2?

85.8 NM.

87.8 NM.

79.4 NM.

A

79.4 NM.

27
Q

(Refer to appendix 2, figures 48, 49, and SO.) What is the ground distance covered
during en route climb for Operating Conditions W-37

86.4 NM.

842 NM.

85.1 NM.

A

86.4 NM.

28
Q

(Refer to appendix 2, figures 48, 49, and 50.) What is the ground distance covered
during en route climb for Operating Conditions W-4?
A) 58.4 NM.
BJ 61.4 NM.
C) 60.3 NM.

A

BJ 61.4 NM.

29
Q

(Refer to appendix 2, figures 48, 49, and 50.) What is the aircraft weight at the top
of climb for Operating Conditions W-l?
A) 81,600 pounds.
BJ 81,400 pounds.
C) 81,550 pounds.

A

BJ 81,400 pounds.

30
Q

(Refer to appendix 2, figures 48, 49, and 50.) What is the aircraft weight at the top
of climb for Operating Conditions W-2?
A) 83,775 pounds.
BJ 83,590 pounds.
C) 83,948 pounds.

A

A) 83,775 pounds.

31
Q

(Refer to appendix 2, figures 48, 49, and 50.) What is the aircraft weight at the top
of climb for Operating Conditions W47
A) 86,150 pounds.
BJ 80260 pounds.
q 86,450 pounds.

A

B) 80260 pounds.

32
Q

(Refer to appendix 2, figures 48, 49, and SO.) What is the aircraft weight at the top
of climb for Operating Conditions W-57
A) 89,900 pounds.
BJ 90,000 pounds,
C) 90,100 pounds.

A

A) 89,900 pounds.

33
Q

(Refer to appendix 2, figures 46, 53, and 55,) What is the takeoff EPR for
Operating Conditions R-17
A) 2.04.
B.01.
C 2.035.

A

C 2.035.

34
Q

(Refer to appendix 2, figures 46, 53, and 55.) What is the takeoff EPR for
Operating Conditions R-3?
A) 2.01.
2.083.
C 2.04.

A

C 2.04.

35
Q

(Refer to appendix 2, figures 46, 53, and SS.) What is the rotation speed for
Operating Conditions R-2?
A) 147 knots.
3) 152 knots,
C) 146 knots.

A

C) 146 knots.

36
Q

(Refer to appendix 2, figures 46, 53, and SS.) What are VI, VR and V2 speeds for
Operating Conditions R-37
A) 143, 143, and 147 knots.
BJ 138, 138, and 142 knots.
C) 136, 138, and 143 knots.

A

B 138, 138, and 142 knots.

37
Q

(Refer to appendix 2, figures 53 and SS.) What is the STAB TRIM setting for
Operating Conditions R-1?
A) 8 ANU.
B 7-5/8 ANU.
C 7-3/4 ANU.

A

C 7-3/4 ANU.

38
Q

(Refer to appendix 2, figures 53 and 55,) What is the STAB TRIM setting for
Operating Conditions R-3?
A) 3 ANU.
3) 4-1/2 ANU,
C) SANI-J.

A

A) 3 ANU.

39
Q

(Refer to appendix 2, figures 53 and 55,) What is the STAB TRIM setting for
Operating Conditions R-4?
A) 4-1/4 ANU.
B) 4-1/2 ANU,
C) SANU.

A

B) 4-1/2 ANU,

40
Q

(Refer to appendix 2, figures 53 and 55.) What is the STAB TRIM setting for
Operating Conditions R-5?
A) 6-3/4 ANU.
BJ 8 ANU.
C 7-1/2 ANU.

A

C 7-1/2 ANU.

41
Q

(Refer to appendix 2, figures 56, 57, and 58.) What is the ground distance covered
during en route climb for Operating Conditions V-2?
A) 85 NM,
BJ 65 NM.
C) 69 NM,

A

C) 69 NM,

42
Q

(Refer to appendix 2, figures 56, 57, and 58,) What is the ground distance covered
during en route climb for Operating Conditions V-5?
A) 70 NM.
52 NM.
C 61 NM.

A

C 61 NM.

43
Q

(Refer to appendix 2, figures 56, 57, and 58.) How much fuel is burned during en
route climb for Operating Conditions V-17
A) 4,100 pounds.
BJ 3,600 pounds.
C) 4,000 pounds.

A

C) 4,000 pounds.

44
Q

(Refer to appendix 2, figures 56, 57, and 58.) How much fuel is burned during en
route climb for Operating Conditions V-2?
A) 2,250 pounds.
BJ pounds.
C) 4400 pounds.

A

A) 2,250 pounds.

45
Q

(Refer to appendix 2, figures 56, 57, and 58.) What is the aircraft weight at the top
of climb for Operating Conditions V-3?
A) 8Z100 pounds.
BJ 2500 pounds.
q pounds.

A

BJ 2500 pounds.

46
Q

(Refer to appendix 2, figures 56, 57, and 58.) What is the aircraft weight at the top
of climb for Operating Conditions VA?
A) 102,900 pounds,
BJ 10Z600 pounds.
C) 103,100 pounds,

A

A) 102,900 pounds,

47
Q

(Refer to appendix 2, figures 56, 57, and 58,) What is the aircraft weight at the top
of climb for Operating Conditions V-S?
A) 73,000 pounds.
BJ 7Z900 pounds.
q 72800 pounds.

A

A) 73,000 pounds.

48
Q

(Refer to appendix 2, figures 59 and 60,) What is the max continuous EPR for
Operating Conditions T-2?
A) 2.10,
1.99.
C) 2.02,

A

C) 2.02,

49
Q

(Refer to appendix 2, figures 61 and 62.) What is the trip time for Operating
Conditions X-1?
A) 4 hours 5 minutes,
4 hours 15 minutes.
C) 4 hours.

A

C) 4 hours.

50
Q

(Refer to appendix 2, figures 61 and 62J What is the trip time for Operating
Conditions X-2?
A) S hours 5 minutes.
B hours 15 minutes,
C) S hours 55 minutes.

A

B hours 15 minutes,

51
Q

(Refer to appendix 2, figures 61 and 62.) What is the trip time for Operating
Conditions X-37
A) 4 hours 15 minutes,
4 hours 7 minutes.
C) 4 hours.

A

C) 4 hours.

52
Q

(Refer to appendix 2, figures 61 and 62,) What is the trip time for Operating
Conditions X4?
A) 6 hours 50 minutes.
B) 5 hours 45 minutes.
C) 5 hours 50 minutes.

A

B) 5 hours 45 minutes.

53
Q

(Refer to appendix 2, figures 61 and 62.) What is the trip time for Operating
Conditions X-S?
A) 2 hours 55 minutes.
BJ 3 hours 10 minutes,
C) 2 hours 44 minutes.

A

A) 2 hours 55 minutes.

54
Q

(Refer to appendix 2, figures 61 and 62.) What is the trip fuel for Operating
Conditions X-37
A) 36,000 pounds.
BJ 34,500 pounds.
q 33,000 pounds.

A

B) 34,500 pounds.

55
Q

(Refer to appendix 2, figures 66 and 67.) What is the trip time corrected for wind
under Operating Conditions Z-1?
A) 58.1 minutes.
B. 51.9 minutes,
C) 54.7 minutes.

A

B. 51.9 minutes,

56
Q

(Refer to appendix 2, figures 66 and 67,) What is the trip time corrected for wind
under Operating Conditions Z-2?
A) 1 hour 35 minutes,
B. 1 hour 52 minutes.
C) 1 hour 46 minutes,

A

C) 1 hour 46 minutes,

57
Q

(Refer to appendix 2, figures 66 and 67.) What is the trip time corrected for wind
under Operating Conditions Z4?
A) 48.3 minutes.
B. 50.7 minutes.
C) 51.3 minutes.

A

B. 50.7 minutes.

58
Q

(Refer to appendix 2, figures 66 and 67.) What is the estimated fuel consumption
for Operating Conditions Z-27
A) 10,270 pounds.
BJ 9,660 pounds.
C 10,165 pounds.

A

A) 10,270 pounds.

59
Q

(Refer to appendix 2, figures 68 and 69.) What are the recommended IAS and EPR
settings for holding under Operating Conditions 0-47
A) 223 knots and 1.33 EPR.
BJ 225 knots and 1,33 EPR.
C) knots and 1.28 EPR.

A

A) 223 knots and 1.33 EPR.

60
Q
A

ADX Exam (10 decks)

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