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FAA Written Exam with precise detailed solutions
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What is one purpose of wing flaps? - ✔✔To enable the pilot to make steeper approaches to
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a landing without increasing the airspeed.
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One of the main functions of flaps during approach and landing is to: - ✔✔Increase the
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angle of descent without increasing the airspeed.
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What is the purpose of the rudder on an airplane? - ✔✔To control yaw.
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Which is not a primary flight control surface?
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A. Flaps ||
B. Stabilator
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C Ailerons - ✔✔A. Flaps
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The elevator controls movement around which axis? - ✔✔Lateral.
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Which statement is true concerning primary flight controls?
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A. The effectiveness of each control surface increases with speed because there is more
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flow over them || ||
B. Only when all three primary flight controls move in sequence do the airflow and pressure
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distribution change over and around the airfoil.
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C. Primary flight controls include ailerons, rudder, elevator, and trim systems - ✔✔A. The
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effectiveness of each control surface increases with speed because there is more flow over
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them.
Which of the following is true concerning flaps?
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,2
A. Flaps are attached to the leading edge of the wing and are used to increase wing lift.
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B. Flaps allow an increase in the angle of descent without increasing airspeed.
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C. Flaps are high drag devices deployed from the wings to reduce lift. - ✔✔B. Flaps allow
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and increase in the angle of descent without increasing airspeed.
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Which device is a secondary flight control?
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A. Spoilers
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B. Ailerons
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C. Stabilators - ✔✔A. Spoilers
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Trim systems are designed to do what? - ✔✔They relieve the pilot of the need to maintain
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constant back pressure on the flight controls.
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The four forces acting on an airplane in flight are: - ✔✔Lift, Weight, Thrust, & Drag
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When are the four forces that act on an airplane in equilibrium? - ✔✔During unaccelerated
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flight.
What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-
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level flight? - ✔✔Lift equals weight.
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Thrust equals drag. || ||
Which statement relates to Bernoulli's principle? - ✔✔Air traveling faster over the curve
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upper surface of an airfoil causes lower pressure on the top surface.
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The term "angle of attack" is defined as the angle... - ✔✔between the wing chord line and
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the relative wind.
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,2
Angle of attack is defined as the chord line of an airfoil and the... - ✔✔Direction of the
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relative wind. ||
The angle of attack at which an airplane wing stalls will... - ✔✔Remain the same regardless
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of gross weight.
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As altitude increases, the indicated airspeed at which a given airplane stalls in a particular
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configuration will... - ✔✔Remain the same regardless of altitude.|| || || || || || || ||
In what flight condition must an aircraft be placed in order to spin? - ✔✔Stalled.
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During a spin to the left, which wing(s) is/are stalled? - ✔✔Both wings are stalled.
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How will frost on the wings of an airplane affect takeoff performance? - ✔✔Frost will
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disrupt the smooth flow of air over the wing, adversely affecting its lifting capability.
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Why is frost considered hazardous to flight? - ✔✔Frost spoils the smooth flow of air over
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the wings, thereby decreasing lifting capability.
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How does frost affect the lifting surfaces of an airplane on takeoff? - ✔✔Frost my prevent
|| || || || || || || || || || || || || || || ||
the airplane from becoming airborne at normal takeoff speed.
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What is ground effect? - ✔✔The result of inference of the surface of the earth with the
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airflow patterns about an airplane.
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Floating caused by the phenomenon of ground effect will be most realized during an
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approach to land when at... - ✔✔Less than the length of the wingspan above the surface.
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, 2
What must a pilot be aware of as a result of ground effect? - ✔✔Induced drag decreases;
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therefor, any excess speed at the point of flare may cause considerable floating.
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Ground effect is most likely to result in which problem? - ✔✔Becoming airborne before
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reaching recommended takeoff speed.
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What force makes an airplane turn? - ✔✔The horizontal component of lift.
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An airplane said to be inherently stable will... - ✔✔require less effort to control.
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What determines the longitudinal stability of an airplane? - ✔✔The location of the CG with
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respect to the center of lift.
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Changes in the center of pressure of a wing affect the aircraft's... - ✔✔Aerodynamic balance
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and controllability.
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An airplane has been loaded in such a manner that the CG is located aft of the aft CG limit.
|| || || || || || || || || || || || || || || || || || ||
One undesirable flight characteristic a pilot might experience with this airplane would be... -
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✔✔Difficulty in recovering from a stalled condition.
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What causes an airplane (except a T-tail) to pitch nosedown when power is reduced and
|| || || || || || || || || || || || || || ||
controls are not adjusted? - ✔✔The downwash on the elevators from the propeller
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slipstream is reduced and the elevator effectiveness is reduced
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Loading an airplane to the most aft CG will cause the airplane to be... - ✔✔Less stable at
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all speeds.
||
In what flight condition is torque effect the greatest in a single-engine airplane? - ✔✔Low
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airspeed, high power, high angle of attack.
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FAA Written Exam with precise detailed solutions
|| || || || || ||
What is one purpose of wing flaps? - ✔✔To enable the pilot to make steeper approaches to
|| || || || || || || || || || || || || || || ||
a landing without increasing the airspeed.
|| || || || || ||
One of the main functions of flaps during approach and landing is to: - ✔✔Increase the
|| || || || || || || || || || || || || || || ||
angle of descent without increasing the airspeed.
|| || || || || ||
What is the purpose of the rudder on an airplane? - ✔✔To control yaw.
|| || || || || || || || || || || || ||
Which is not a primary flight control surface?
|| || || || || || ||
A. Flaps ||
B. Stabilator
||
C Ailerons - ✔✔A. Flaps
|| || || ||
The elevator controls movement around which axis? - ✔✔Lateral.
|| || || || || || || ||
Which statement is true concerning primary flight controls?
|| || || || || || ||
A. The effectiveness of each control surface increases with speed because there is more
|| || || || || || || || || || || || || ||
flow over them || ||
B. Only when all three primary flight controls move in sequence do the airflow and pressure
|| || || || || || || || || || || || || || ||
distribution change over and around the airfoil.
|| || || || || || ||
C. Primary flight controls include ailerons, rudder, elevator, and trim systems - ✔✔A. The
|| || || || || || || || || || || || || ||
effectiveness of each control surface increases with speed because there is more flow over
|| || || || || || || || || || || || || ||
them.
Which of the following is true concerning flaps?
|| || || || || || ||
,2
A. Flaps are attached to the leading edge of the wing and are used to increase wing lift.
|| || || || || || || || || || || || || || || || ||
B. Flaps allow an increase in the angle of descent without increasing airspeed.
|| || || || || || || || || || || ||
C. Flaps are high drag devices deployed from the wings to reduce lift. - ✔✔B. Flaps allow
|| || || || || || || || || || || || || || || || ||
and increase in the angle of descent without increasing airspeed.
|| || || || || || || || ||
Which device is a secondary flight control?
|| || || || || ||
A. Spoilers
||
B. Ailerons
||
C. Stabilators - ✔✔A. Spoilers
|| || || ||
Trim systems are designed to do what? - ✔✔They relieve the pilot of the need to maintain
|| || || || || || || || || || || || || || || || ||
constant back pressure on the flight controls.
|| || || || || ||
The four forces acting on an airplane in flight are: - ✔✔Lift, Weight, Thrust, & Drag
|| || || || || || || || || || || || || || ||
When are the four forces that act on an airplane in equilibrium? - ✔✔During unaccelerated
|| || || || || || || || || || || || || || ||
flight.
What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-
|| || || || || || || || || || || || || || ||
level flight? - ✔✔Lift equals weight.
|| || || || ||
Thrust equals drag. || ||
Which statement relates to Bernoulli's principle? - ✔✔Air traveling faster over the curve
|| || || || || || || || || || || || ||
upper surface of an airfoil causes lower pressure on the top surface.
|| || || || || || || || || || ||
The term "angle of attack" is defined as the angle... - ✔✔between the wing chord line and
|| || || || || || || || || || || || || || || || ||
the relative wind.
|| ||
,2
Angle of attack is defined as the chord line of an airfoil and the... - ✔✔Direction of the
|| || || || || || || || || || || || || || || || || ||
relative wind. ||
The angle of attack at which an airplane wing stalls will... - ✔✔Remain the same regardless
|| || || || || || || || || || || || || || || ||
of gross weight.
|| ||
As altitude increases, the indicated airspeed at which a given airplane stalls in a particular
|| || || || || || || || || || || || || || ||
configuration will... - ✔✔Remain the same regardless of altitude.|| || || || || || || ||
In what flight condition must an aircraft be placed in order to spin? - ✔✔Stalled.
|| || || || || || || || || || || || || ||
During a spin to the left, which wing(s) is/are stalled? - ✔✔Both wings are stalled.
|| || || || || || || || || || || || || ||
How will frost on the wings of an airplane affect takeoff performance? - ✔✔Frost will
|| || || || || || || || || || || || || || ||
disrupt the smooth flow of air over the wing, adversely affecting its lifting capability.
|| || || || || || || || || || || || ||
Why is frost considered hazardous to flight? - ✔✔Frost spoils the smooth flow of air over
|| || || || || || || || || || || || || || || ||
the wings, thereby decreasing lifting capability.
|| || || || ||
How does frost affect the lifting surfaces of an airplane on takeoff? - ✔✔Frost my prevent
|| || || || || || || || || || || || || || || ||
the airplane from becoming airborne at normal takeoff speed.
|| || || || || || || ||
What is ground effect? - ✔✔The result of inference of the surface of the earth with the
|| || || || || || || || || || || || || || || || ||
airflow patterns about an airplane.
|| || || ||
Floating caused by the phenomenon of ground effect will be most realized during an
|| || || || || || || || || || || || || ||
approach to land when at... - ✔✔Less than the length of the wingspan above the surface.
|| || || || || || || || || || || || || || ||
, 2
What must a pilot be aware of as a result of ground effect? - ✔✔Induced drag decreases;
|| || || || || || || || || || || || || || || || ||
therefor, any excess speed at the point of flare may cause considerable floating.
|| || || || || || || || || || || ||
Ground effect is most likely to result in which problem? - ✔✔Becoming airborne before
|| || || || || || || || || || || || || ||
reaching recommended takeoff speed.
|| || ||
What force makes an airplane turn? - ✔✔The horizontal component of lift.
|| || || || || || || || || || ||
An airplane said to be inherently stable will... - ✔✔require less effort to control.
|| || || || || || || || || || || || ||
What determines the longitudinal stability of an airplane? - ✔✔The location of the CG with
|| || || || || || || || || || || || || || ||
respect to the center of lift.
|| || || || ||
Changes in the center of pressure of a wing affect the aircraft's... - ✔✔Aerodynamic balance
|| || || || || || || || || || || || || ||
and controllability.
|| ||
An airplane has been loaded in such a manner that the CG is located aft of the aft CG limit.
|| || || || || || || || || || || || || || || || || || ||
One undesirable flight characteristic a pilot might experience with this airplane would be... -
|| || || || || || || || || || || || || ||
✔✔Difficulty in recovering from a stalled condition.
|| || || || || || ||
What causes an airplane (except a T-tail) to pitch nosedown when power is reduced and
|| || || || || || || || || || || || || || ||
controls are not adjusted? - ✔✔The downwash on the elevators from the propeller
|| || || || || || || || || || || || ||
slipstream is reduced and the elevator effectiveness is reduced
|| || || || || || || ||
Loading an airplane to the most aft CG will cause the airplane to be... - ✔✔Less stable at
|| || || || || || || || || || || || || || || || || ||
all speeds.
||
In what flight condition is torque effect the greatest in a single-engine airplane? - ✔✔Low
|| || || || || || || || || || || || || || ||
airspeed, high power, high angle of attack.
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