Aerodynamics & Aircraft*

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1
14 CFR Part 1 defines VF as
Design flap speed.
2
14 CFR Part 1 defines VLE as
Maximum landing gear extended speed.
3
14 CFR part 1 defines VNO as
Maximum structural cruising speed.
4
14 CFR part 1 defines VY as
Speed for best rate of climb.
5
14 CFR part 1 designs VNE as
Never-exceed speed.
6
A benefit of FADEC in a reciprocating aircraft engine is
The mixture is automatically optimized for the flight conditions.
7
Accelerating past critical mach may result in the onset of compressibility effects such as
Drag increase.
8
Accelerating past critical mach may result in the onset of compressibility effects such as
Stability difficulties.
9
Airplane wing loading during a level coordinated turn in smooth air depends upon the
Angle of bank.
10
An aircraft which is unstable about its longitudinal axis has a tendency to
Bank left or right without constant correction.
11
An aircraft wing is designed to produce lift resulting from a difference in the
Higher air pressure below the wing's surface and lower air pressure above the wing's surface.
12
An airplane that is unstable around the lateral axis will
Dive and climb progressively steeper.
13
An airplane will stall at the same
Angle of attack regardless of the attitude with relation to the horizon.
14
An increase in the angle of attack of a wing is associated with an increase in
Coefficient of lift.
15
A pilot is entering an area where significant clear air turbulence has been reported - Which action is appropriate upon encountering the first ripple
Adjust airspeed to that recommended for rough air.
16
A propeller rotating clockwise as seen from the rear, creates a spiraling slipstream which, along with torque, tends to rotate the airplane to the
Left around the vertical axis, and to the right around the longitudinal axis.
17
A rectangular wing, as compared to other wing planforms, has a tendency to stall first at the
Wing root, with the stall progression toward the wing tip.
18
As airspeed decreases in level flight below that speed for maximum lift/drag ratio, total drag of an airplane
Increases because of increased induced drag.
19
A stall can occur at any
Pitch attitude and airspeed.
20
A stall occurs when
The wing exceeds the critical angle of attack.
21
As the angle of bank is increased, the vertical component of lift
Decreases and the horizontal component of lift increases.
22
At a given airspeed, what effect will a decrease in air density have on lift and drag
Lift and drag will decrease.
23
At a given airspeed, what effect will an increase in air density have on lift and drag
Lift and drag increase.
24
ATC instructs you to slow your airspeed and maintain your last assigned altitude - as airspeed decreases, the angle of attack will need to
Increase to provide the lift required to maintain altitude due to slower airspeed.
25
At higher elevation airports the pilot should know that indicated airspeed
Will be unchanged, but groundspeed will be faster.
26
Baggage weighing 90 pounds is placed in a normal category airplane's baggage compartment, which is placarded at 100 pounds - If this airplane is subjected to a positive load factor of 3.5 G's, the total load of the baggage would be
315 pounds and would not be excessive.
27
By changing the angle of attack of a wing, the pilot can control the airplane's
Lift, airspeed, and drag.
28
Calibrated airspeed is best described as indicated airspeed corrected for
Installation and instrument error.
29
During the transition from straight-and-level flight to a climb, the angle of attack is increased and lift
Is momentarily increased.
30
Exceeding critical mach may result in the onset of compressibility effects such as
Control difficulties.
31
For a given angle of bank, in any airplane, the load factor imposed in a coordinated constant-altitude turn
Is constant and the stall speed increases.
32
For a recently designed airplane, the design maneuvering speed is
Maximum speed at which the airplane can be safely stalled.
33
How is lift changed by ground effect
A lower angle of attack will be required to maintain the same amount of lift when entering ground effect.
34
How will lift and drag be affected when an airplane enters ground effect
Lift will increase and induced drag will decrease.
35
If an aircraft with a gross weight of 2,000 pounds was subject to a 60 degree constant-altitude bank, the total load would be
4,000 pounds.
36
If an airplane category is listed as utility, it would mean that this airplane could be operated in which of the following maneuvers
Limited acrobatics, including spins (if approved).
37
If an airplane flies from an area of cold, dry air to an area of warm, moist air while maintaining the same airspeed, what effects will this have on lift and drag
Lift and drag will decrease.
38
If an airplane is flown al (L/D)max, its total drag will be
Lower than total drag at CLmax.
39
If an airplane is flown at (L/D) max, its total drag will be
At minimum.
40
If an airplane is flown in a trimmed condition and a momentary pitch change is made via the yoke, and the airplane remains into the new attitude when pressure is released, the airplane displays
Neutral static stability.
41
If an airplane is in a 60° constant bank turn, you could expect the airplane to stall at
The same angle of attack as in level flight and a higher airspeed due to an increase in load factor.
42
If an airplane is loaded to the rear of its CG range, it will tend to be unstable about its
Lateral Axis.
43
If a pilot operates an airplane at the same airspeed at 15000 feet and at 5000, what will the effect be on lift and drag
Both lift and drag will increase at 5000.
44
If a standard rate of turn is maintained, how long would it take to turn 360°
2 minutes.
45
If severe turbulence is encountered during flight, the pilot should reduce the airspeed to
Design maneuvering speed.
46
If the airplane attitude initially tends to return to its original position after the elevator control is pressed forward and released, the airplane display
Positive static stability.
47
If the airspeed is increased from 90 knots to 135 knots during a level 60 banked turn, the load factor will
Remain the same but the radius of turn will increase.
48
If the air temperature is higher than standard, the service ceiling will be
Lower.
49
If you increase airspeed in a turn, what must you do to maintain altitude
Increase angle of bank.
50
In a rapid recovery from a dive, the effects of load factor would cause the stall speed to
Increase.
51
In a steady-state level flight, the lift
Will oppose the downward force of weight.
52
In small airplanes, normal recovery from spins may become difficult if the
CG is too far rearward, and rotation is around the CG.
53
In the event your engine should begin to overheat, you should
Reduce the power, enrich the mixture, and descend.
54
In theory, if the airspeed of an airplane is doubled while in level flight, parasite drag will become
Four times greater.
55
In theory, if the angle of attack and other factors remain constant and the airspeed is doubled, the lift produced at the higher speed will be
Four times greater than at the lower speed.
56
Lift on a wing is most properly defined as the
Force acting perpendicular to the relative wind.
57
Load factor is the lift generated by the wings of an aircraft at any given time
Divided by the total weight of the aircraft.
58
Longitudinal stability involves the motion of the airplane controlled by its
Elevator.
59
Longitudinal stability is measured about which axis
Lateral.
60
Maximum structural cruising speed is the maximum speed an airplane can be operated during
Normal operations.
61
Name the four fundamentals involved in maneuvering an aircraft
Straight-and-level flight, turns, climbs, and descents.
62
No person may operate an aircraft that has an experimental airworthiness certificate
When carrying persons or property for hire.
63
On a fixed pitch propeller, the angle of incidence is at its highest pitch at the
Hub of the propeller in order to provide uniform lift across the blade.
64
On a wing, the force of lift acts perpendicular to, and the force of drag acts parallel to the
Flightpath.
65
One of the main functions of flaps during the approach and landing is to
Increase lift at approach airspeeds.
66
Parasite drag increases
As the square of the airspeed.
67
Pitch setting means
The propeller blade setting determined by the blade angle measured as specified by the propeller instruction manual.
68
Recovery from a stall in any airplane becomes more difficult when its
Center of gravity moves aft.
69
Stalls occur due to
Airflow separating from the surface of the wing due to exceeding the critical angle of attack.
70
Stall speed is affected by
Weight, load factor, and power.
71
Structural damage or failure is likely to occur at airspeeds above
Vne.
72
The aircraft's wing exceeds the critical angle of attack when it
Stalls and experiences a loss of lift.
73
The angle of attack at which a wing stalls remains constant regardless of
Weight, dynamic pressure, bank angle, or pitch attitude.
74
The angle of attack of a wing directly controls the
Distribution of pressures acting on the wing.
75
The carriage of passengers for hire by a commercial pilot is
Not authorized in a limited category aircraft.
76
The cruise propeller has increased efficiency for cruise operations and has a
Higher angle of attack than a climb propeller and creates more drag at cruise speed.
77
The most common high lift devices are
Flaps.
78
The need to slow an aircraft below VA is brought about by the following weather phenomenon
Turbulence which causes an increase in stall speed.
79
The performance factor of dividing total weight of an airplane in pounds by the wing area in square feet is known as
Wing loading.
80
The purpose of wing spoilers is to decrease
The lift of the wing.
81
The ratio between the total airload imposed on the wing and the gross weight of an aircraft in flight is known as
Load factor and directly affects stall speed.
82
The ratio of an airplane's true airspeed to the speed of sound in the same atmospheric condition is
Mach number.
83
The stalling speed of an airplane is most affected by
Variations in airplane loading.
84
The turn coordinator gives information about
Rate and quality of turn.
85
The use of flaps for landing on an airplane will
Allow a steeper descent without an increase in airspeed.
86
To generate the same amount of lift as altitude is increased, an airplane must be flown at a higher true airspeed for any given
Angle of Attack.
87
To hold an airplane in level flight at an airspeed from very slow to very fast, the pilot must coordinate angle of attack and
Thrust.
88
To increase the rate of turn and at the same time decrease the radius, a pilot should
Increase the bank and decrease airspeed.
89
To maintain altitude during a turn, the angle of attack must be increased to compensate for the decrease in the
Vertical component of lift.
90
To produce lift to the aircraft's weight, the lower the airspeed the greater the
Angle of attack.
91
Transonic airflow typically occurs between airspeed regimes of Mach
0.75 to 1.20.
92
True airspeed is best described as calibrated airspeed corrected for
Altitude and non standard temperature.
93
Under what conditions are IAS and CAS approximately the same
At cruise and higher airspeeds.
94
What best describes the condition in which airflow over any part of the aircraft first reaches Mach 1.0
Critical Mach number.
95
What change in airplane longitudinal control is required to maintain altitude while airspeed is being increased
The angle of attack is decreased to compensate for the increase in lift.
96
What condition contributes to nose heaviness, possibly making it difficult or impossible to flare on landing
Center of Gravity forward of the CG limit.
97
What effect does deploying wing spoilers have on a landing airplane
They make the wheel brakes more effective.
98
What effects does an uphill runway slope have on takeoff performance
Increases takeoff distances.
99
What is an advantage of an electrical turn coordinator if the airplane has a vacuum system for the other gyroscopic instruments
It is a backup in case of vacuum system failure.
100
What is an operational difference between the turn coordinator and the turn and slip indicator
The turn coordinator indicates roll rate, rate of turn, and coordination, the turn and slip indicator indicates rate of turn and coordination.
101
What is the correct symbol for the stalling speed or the minimum steady flight speed in a specified configuration
VS1.
102
What is the load factor for an aircraft in a level 60° bank turn
2 G's.
103
What is 'ramp weight'
Zero fuel weight plus usable fuel weight.
104
What performance is characteristic of flight at maximum lift/drag ratio in a propeller-driven airplane
Maximum range and maximum distance glide.
105
When an airplane leaves ground effect, induced drag will
Increase.
106
When does an airplane stall
When the critical angle of attack is exceeded.
107
When the angle of attack of a symmetrical airfoil is increased, the center of pressure will
Have very limited movement.
108
When will indicated airspeed and calibrated airspeed be equal
At cruise and higher airspeeds.
109
Which airspeed would a pilot be unable to identify by the color of an airspeed indicator
The maneuvering speed.
110
Which center of gravity position could create undesirable flight characteristics including decreased static longitudinal stability, decreased dynamic longitudinal stability, control difficulties, violent stall characteristics and light control pressures
CG aft of the CG envelope.
111
Which factor remains constant for stalls
Angle of Attack.
112
Which is correct with respect to rate and radius of turn for an airplane flown in a coordinated turn at a constant altitude
For a specific angle of bank and airspeed, the rate and radius of turn will not vary.
113
Which is the correct symbol for the stalling speed or the minimum steady flight speed at which the airplane is controllable
VS.
114
Which is true regarding the force of lift in steady, unaccelerated flight
There is a corresponding indicated airspeed required for every angle of attack to generate sufficient lift to maintain altitude.
115
Which is true regarding the forces acting on an aircraft in a steady-state descent
The sum of all forward forces is equal to the sum of all rearward forces.
116
Which is true regarding the use of flaps during level turns
The raising of flaps increases the stall speed.
117
Which is true with respect to operating limitations of a primary category airplane
No person may operate a primary category airplane carrying passengers or property for compensation or hire.
118
Which is true with respect to operating limitations of a restricted category airplane
No person may operate a restricted category airplane carrying passengers or property for compensation or hire.
119
Which maximum range factor decreases as weight decreases
Airspeed.
120
Which statement is true, regarding the opposing forces acting on an airplane in steady-state level flight
These forces are equal.
121
Which statement is true about isogonic lines
Isogonic lines are lines of equal variation.
122
Which statement is true about magnetic deviation of a compass - Deviation
Varies for different headings of the same aircraft.
123
Which statement is true regarding the forces acting on an aircraft in a steady-state climb
The sum of opposing forces is zero.
124
Which statement is true relative to changing angle of attack
An increase in angle of attack will increase drag.
125
While accelerating for takeoff, you notice the airspeed is constant and remains constant for a few seconds - this can be caused by
A wind shear to an increasing tailwind.
126
While completing a 30° bank turn, you extend the landing gear and your airspeed decreases by 10 knots - what effect does this have on your rate of turn
The rate of turn increases.
127
While in a standard rate turn to the left, you retract the landing gear and your airspeed increases 12 knots - in order to maintain a standard rate turn you should
Increase the angle of bank.
128
While maintaining a constant angle of bank and altitude in a coordinated turn, an increase in airspeed will
Decrease the rate of turn resulting in no change in load factor.
129
While making a standard rate left turn, you raise the landing gear and your speed increased by 12 knots - To stay coordinated, you
Increase your bank angle.
130
While trimmed for straight and level flight, turbulence causes the nose to pitch up - if the attitude remains in this new position, the aircraft has
Neutral longitudinal static stability.
131
Why do some aircraft have a zero fuel weight limitation
To ensure that wings are not over-stressed in flight.
132
Why is it important that a pilot lower the speed of his/her aircraft to or below design maneuvering speed when in rough air conditions
It will allow the aircraft to stall before load limits are exceeded.
133
Why is it necessary to increase back elevator pressure to maintain altitude during a turn - to compensate for the
Loss of the vertical component of lift.
134
Why is stalling airspeed higher when the CG is moved forward
Increased wing loading.
135
Why should flight speeds above VNE be avoided
Design limit load factor may be exceeded, if gusts are encountered.
136
Wind is an important factor in avoiding wake turbulence because wingtip vortices drift
With the wind and at the same speed.
137
You are flying an aircraft in cold temperatures when you notice an oil temperature lower than normal - which is a possible cause
The wrong oil viscosity is being used for these cold temperature conditions.
138
You are flying an aircraft with an auxiliary electric fuel pump - When should this pump be used
In accordance with the pilot/operating handbook instructions.
139
You are in a coordinated, constant altitude turn - an increase in bank angle will result in a
Load factor increase and stall speed increase.
140
You are making a level turn at a constant bank angle - if you vary the rate of turn, the load factor will
Remain constant.
141
You have been hired as a commercial pilot at a new employer who utilizes aircraft equipped with FADECs - It is important to know that a FADEC
Is a system that utilizes a computer to control components of the aircraft that manipulate the engine and propeller.
142
You have flown to an airport in the mountains - your airplane is parked on the ramp at 5,000 feet MSL when the ambient temperature is 90 F - The altimeter is set to the local altimeter setting and indicates 5,000 feet - that evening, the temperature plummets to 50 F - unless reset, the altimeter will indicate 5,000 feet MSL.
143
Your planned departure will be from an airport with a higher density altitude than what you have previously experienced - you should know that under this condition, indicated airspeed at lift-off will
Remain the same.
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