ASTB AVIATION 158\158
AERODYNAMICS AND AIRCRAFT CONTROL EXAM 2025 |158
QUESTIONS WITH VERIFIED RATIONALES
1. If an aircraft's empennage is improperly aligned, what potential effects
could this have on flight performance?
Increased lift and reduced drag
Enhanced maneuverability and stability
Difficulty in maintaining straight flight and potential yawing issues
Improved fuel efficiency and reduced noise
2. This drag increases with airspeed and is dominant type at high airspeeds.
Parasite
Profile
Induced
Total
3. What is the definition of a swept wing in the context of aircraft design?
A wing design where the wings are angled forward from the
fuselage
A wing configuration where the wings are straight and
perpendicular to the fuselage
A wing design where the wings are angled back from the wing
root
A wing design that incorporates variable geometry for different
flight conditions
4. If an aircraft is flying with a heading of 90 degrees but is being pushed off
course by a strong wind from the north, what adjustments might a pilot
need to make to maintain the intended flight path?
,Increase altitude to avoid the wind.
, Change the heading to compensate for the wind direction.
Reduce airspeed to stabilize the aircraft.
Deploy flaps to increase lift.
5. Explain the significance of the chord in the context of an airfoil's
performance and how it relates to lift generation.
The chord affects the weight of the aircraft.
The chord determines the maximum speed of the aircraft.
The chord influences the airflow over the airfoil, impacting lift
and drag.
The chord is irrelevant to the aerodynamic properties of the airfoil.
6. What is the primary function of the propeller lever in aircraft control?
To adjust the altitude of the aircraft
To control the speed and angle of the propeller
To manage the fuel flow to the engine
To operate the landing gear
7. Explain how the concept of a vector is relevant to understanding forces
acting on an aircraft during flight.
Vectors only represent speed and have no direction
Vectors help in calculating the total lift and drag forces acting on
the aircraft
Vectors are irrelevant in aerodynamics
Vectors are only used in propulsion mechanisms
8. What is the primary function of a feathering propeller in aviation?
To increase thrust during takeoff
, To minimize drag by aligning the blade angle with the line of
flight
To enhance fuel efficiency during cruising
To improve the aircraft's climb rate
9. If an aircraft is flying at a constant speed and the pilot increases the angle
of attack, what immediate effect would this have on the aircraft's
performance?
The aircraft will descend rapidly.
The aircraft will experience increased lift until reaching the critical
angle of attack.
The aircraft will stall immediately.
The aircraft's speed will increase significantly.
10. What is the definition of subsonic speed in the context of aerodynamics?
Speed equal to the speed of sound
Speed above the speed of sound
Speed below the speed of sound
Speed at which lift is generated
11. What does the lift/drag ratio indicate in terms of airfoil performance?
The maximum speed of the aircraft
The efficiency of the airfoil at a specific angle of attack
The total weight of the aircraft
The amount of thrust produced by the engines
12. If an aircraft's center of gravity is moved forward, how would this affect the
elevator's effectiveness during takeoff?
AERODYNAMICS AND AIRCRAFT CONTROL EXAM 2025 |158
QUESTIONS WITH VERIFIED RATIONALES
1. If an aircraft's empennage is improperly aligned, what potential effects
could this have on flight performance?
Increased lift and reduced drag
Enhanced maneuverability and stability
Difficulty in maintaining straight flight and potential yawing issues
Improved fuel efficiency and reduced noise
2. This drag increases with airspeed and is dominant type at high airspeeds.
Parasite
Profile
Induced
Total
3. What is the definition of a swept wing in the context of aircraft design?
A wing design where the wings are angled forward from the
fuselage
A wing configuration where the wings are straight and
perpendicular to the fuselage
A wing design where the wings are angled back from the wing
root
A wing design that incorporates variable geometry for different
flight conditions
4. If an aircraft is flying with a heading of 90 degrees but is being pushed off
course by a strong wind from the north, what adjustments might a pilot
need to make to maintain the intended flight path?
,Increase altitude to avoid the wind.
, Change the heading to compensate for the wind direction.
Reduce airspeed to stabilize the aircraft.
Deploy flaps to increase lift.
5. Explain the significance of the chord in the context of an airfoil's
performance and how it relates to lift generation.
The chord affects the weight of the aircraft.
The chord determines the maximum speed of the aircraft.
The chord influences the airflow over the airfoil, impacting lift
and drag.
The chord is irrelevant to the aerodynamic properties of the airfoil.
6. What is the primary function of the propeller lever in aircraft control?
To adjust the altitude of the aircraft
To control the speed and angle of the propeller
To manage the fuel flow to the engine
To operate the landing gear
7. Explain how the concept of a vector is relevant to understanding forces
acting on an aircraft during flight.
Vectors only represent speed and have no direction
Vectors help in calculating the total lift and drag forces acting on
the aircraft
Vectors are irrelevant in aerodynamics
Vectors are only used in propulsion mechanisms
8. What is the primary function of a feathering propeller in aviation?
To increase thrust during takeoff
, To minimize drag by aligning the blade angle with the line of
flight
To enhance fuel efficiency during cruising
To improve the aircraft's climb rate
9. If an aircraft is flying at a constant speed and the pilot increases the angle
of attack, what immediate effect would this have on the aircraft's
performance?
The aircraft will descend rapidly.
The aircraft will experience increased lift until reaching the critical
angle of attack.
The aircraft will stall immediately.
The aircraft's speed will increase significantly.
10. What is the definition of subsonic speed in the context of aerodynamics?
Speed equal to the speed of sound
Speed above the speed of sound
Speed below the speed of sound
Speed at which lift is generated
11. What does the lift/drag ratio indicate in terms of airfoil performance?
The maximum speed of the aircraft
The efficiency of the airfoil at a specific angle of attack
The total weight of the aircraft
The amount of thrust produced by the engines
12. If an aircraft's center of gravity is moved forward, how would this affect the
elevator's effectiveness during takeoff?
