Answers
What is one purpose of wing flaps? - -To descent without increasing airspeed.
enable the pilot to make steeper approaches to a C. Flaps are high drag devices deployed from the
landing without increasing the airspeed wings to reduce lift. - -B. Flaps allow an
increase in the angle of descent without
increasing airspeed
One of the main functions of flaps during
approach and landing is to... - -Increase
the angle of descent without increasing the Which device is a secondary flight control?
airspeed A. Spoilers
B. Ailerons
C. Stabilators - -A. Spoilers
What is the purpose of the rudder on an
airplane? - -To control yaw
Trim systems are designed to do what? - -
They relieve the pilot of the need to maintain
Which is not a primary flight control surface? constant back pressure on the flight controls
A. Flaps
B. Stabilator
C Ailerons - -A. Flaps The four forces acting on an airplane in flight are:
- -Lift, Weight, Thrust, and Drag
The elevator controls movement around which
axis? - -Lateral When are the four forces that act on an airplane
in equilibrium? - -During unaccelerated
flight
Which statement is true concerning primary flight
controls?
A. The effectiveness of each control surface What is the relationship of lift, drag, thrust, and
increases with speed because there is more weight when the airplane is in straight-and-level
airflow over them. flight? - -Lift equals weight
B. Only when all three primary flight controls Thrust equals drag
move in sequence do the airflow and pressure
distribution change over and around the airfoil.
C. Primary flight controls include ailerons, rudder, Which statement relates to Bernoulli's principle? -
elevator, and trim systems. - -A. The -Air traveling faster over the curve upper
effectiveness of each control surface increases surface of an airfoil causes lower pressure on the
with speed because there is more airflow over top surface
them
The term "angle of attack" is defined as the
Which of the following is true concerning flaps? angle... - -Between the wing chord line and
A. Flaps are attached to the leading edge of the the relative wind
wing and are used to increase wing lift.
B. Flaps allow an increase in the angle of
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inference of the surface of the earth with the
Angle of attack is defined as the chord line of an airflow patterns about an airplane
airfoil and the... - -Direction of the relative
wind
Floating caused by the phenomenon of ground
effect will be most realized during an approach to
The angle of attack at which an airplane wing land when at... - -Less than the length of
stalls will... - -Remain the same regardless the wingspan above the surface
of gross weight
What must a pilot be aware of as a result of
As altitude increases, the indicated airspeed at ground effect? - -Induced drag decreases;
which a given airplane stalls in a particular therefore, any excess speed at the point of flare
configuration will... - -Remain the same may cause considerable floating
regardless of altitude
Ground effect is most likely to result in which
In what flight condition must an aircraft be placed problem? - -Becoming airborne before
in order to spin? - -Stalled reaching recommended takeoff speed
During a spin to the left, which wing(s) is/are What force makes an airplane turn? - -The
stalled? - -Both wings are stalled horizontal component of lift
How will frost on the wings of an airplane affect An airplane said to be inherently stable will... -
takeoff performance? - -Frost will disrupt -Require less effort to control
the smooth flow of air over the wing, adversely
affecting its lifting capability
What determines the longitudinal stability of an
airplane? - -The location of the CG with
Why is frost considered hazardous to flight? - respect to the center of lift
-Frost spoils the smooth flow of air over
the wings, thereby decreasing lifting capability
Changes in the center of pressure of a wing
affect the aircraft's... - -Aerodynamic
How does frost affect the lifting surfaces of an balance and controllability
airplane on takeoff? - -Frost my prevent
the airplane from becoming airborne at normal
takeoff speed 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
What is ground effect? - -The result of experience with this airplane would be... - -
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Difficulty in recovering from a stalled condition a higher airspeed
What causes an airplane (except a T-tail) to pitch In the Northern Hemisphere, a magnetic
nosedown when power is reduced and controls compass will normally indicate a turn toward the
are not adjusted? - -The downwash on the north if... - -An aircraft is accelerated while
elevators from the propeller slipstream is on an east—west heading
reduced and the elevator effectiveness is
reduced
During flight, when are the indications of a
magnetic compass accurate? - -Only in
Loading an airplane to the most aft CG will cause straight-and-level, unaccelerated flight
the airplane to be... - -Less stable at all
speeds
Deviation in a magnetic compass is caused by
the... - -Magnetic fields within the aircraft
In what flight condition is torque effect the distorting the lines of magnetic force
greatest in a single-engine airplane? - -
Low airspeed, high power, high angle of attack
In the Northern Hemisphere, if an aircraft is
accelerated or decelerated, the magnetic
The left turning tendency of an airplane caused compass will normally indicate... - -
by P-factor is the result of the... - -Propeller Correctly when on a north or south heading
blade descending on the right, producing more
thrust than the ascending blade on the left
In the Northern Hemisphere, a magnetic
compass will normally indicate initially a turn
When does P-factor cause the airplane to yaw to toward the west if... - -A right turn is
the left? - -When at high angles of attack entered from a north heading
The amount of excess load that can be imposed In the Northern Hemisphere, a magnetic
on the wing of an airplane depends upon the... - compass will normally indicate a turn toward the
-Speed of the airplane south when... - -The aircraft is decelerated
while on a west heading
Which basic flight maneuver increases the load
factor on an airplane as compared to straight- In the Northern Hemisphere, a magnetic
and-level flight? - -Turns compass will normally indicate initially a turn
toward the east if... - -A left turn is entered
from a north heading
During an approach to a stall, an increased load
factor will cause the aircraft to... - -Stall at
What should be the indication on the magnetic
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compass as you roll into a standard rate turn to What is density altitude? - -The pressure
the right from a south heading in the Northern altitude corrected for nonstandard temperature
Hemisphere? - -The compass will indicate
a turn to the right, but at a faster rate than is
actually occurring Under what conditions are pressure altitude and
density altitude the same value? - -At
standard temperature
The pitot systems provides impact pressure for
what instrument? - -Airspeed indicator
Under what condition is indicated altitude the
same as true altitude? - -When at sea level
Which instrument will become inoperative if the under standard conditions
pitot tube becomes clogged? - -Airspeed
Under what condition will pressure altitude be
If the pitot tube and outside static vents become equal to true altitude? - -When standard
clogged, which instruments would be affected? - atmospheric conditions exist
-The altimeter, airspeed indicator, and
vertical speed indicator
What is pressure altitude? - -The altitude
indicated when the barometric pressure scale is
Which instrument(s) will become inoperative if set to 29.92
the static vents become clogged? - -
Airspeed, altimeter, and vertical speed indicator
Altimeter setting is the value to which the
barometric pressure scale of the altimeter is set
What does the red line on an airspeed indicator so the altimeter indicates... - -True altitude
represent? - -(Vne) Never-exceed speed at field elevation
What is an important airspeed limitation that is If it is necessary to set the altimeter from 29.15 to
not coded on airspeed indicators? - - 29.85 what change occurs? - -700'
Maneuvering speed increase in indicated altitude. (The altimeter-
indicated altitude moves in the same direction as
the altimeter setting and changes about 1,000'
What is absolute altitude - -The vertical per inHg)
distance of the aircraft above the surface
If a pilot changes the altimeter setting from 30.11
What is true altitude? - -The vertical to 29.96 what is the approximate change in
distance of the aircraft above sea level indication? - -Altimeter will indicate 150'
lower