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WorksheetsAerodynamics Review
Total questions: 25
Worksheet time: 13mins
According to the Bernoulli Principle, when a fluid's speed increases, the pressure
stays the same
decreases
increases
For lift to occur, which side of the wing needs to have low pressure?
Front
Back
Top
Bottom
How are a plane's wing flaps positioned during landing?
flat and straight (retracted)
curved downward
(fully extended)
curved upward
When an aircraft's speed increases, drag on the aircraft generally ___.
increases
decreases
stays the same
What happens to the speed of a fluid when it is forced into a small opening?
there is no change
it decreases
It increases
A perfectly flat wing is able to easily create enough lift to fly a plane.
True
False
If the wing stalls, what is the most important action to recover?
Apply back pressure.
Let go of the controls.
Reduce the angle of attack to less than its critical value.
The chord line is an imaginary line connecting which of the following?
Wing tip to wing tip
Wing root with wing tip
Leading edge to the trailing edge of the wing
Nose to tail of the aircraft
Extending or retracting flaps changes the wing's and characteristics.
weight, thrust
lift, drag
thrust, drag
______ are used to increase the lift and the drag at slower speeds (takeoff and landing)
rudders
flaps
ailerons
A pilot misjudged his altitude and is on a collision course with a mountain. In order to climb rapidly, he must increase throttle to full and move which flight control for increased pitch?
elevator
rudder
trim
aileron
What are the two key effects that allow aircrafts to fly?
"Thrust" from the engines and "Lift" from movement of air over the wings
"Lift" from the wings and "thrust" from the tail
"Pull" from the propellers and "Lift" from movement of air over the wings
What is the force that directly opposes the weight of an airplane and holds the airplane in the air?
Thrust
Drag
Lift
Friction
Which of the following is NOT one of the forces of flight?
Lift
Thrust
Center of Gravity
Drag
Identify the three axes of motion in an aircraft.
Yaw, Drag, Thrust
Lift, Drag, Thrust
Weight, Lift, Thrust
Pitch, Yaw, Roll
What is the primary function of an airfoil in an aircraft?
To increase the weight of the aircraft
To reduce the speed of the aircraft
To generate lift
To provide thrust
Explain how the distribution of weight affects the center of gravity (CG) in an aircraft.
It has no effect on CG
It only affects the speed of the aircraft
It determines the stability and control of the aircraft
It only affects the lift generated
____ is the rate at which temperature decreases with the altitude in the atmosphere. It is a usually positive value.
Pressure Lapse Rate
Density Lapse Rate
Temperature Lapse Rate
The standard _____ is the rate at which air pressure decreases with altitude, and it's approximately 1 inch of mercury (inHg) for every 1,000 feet of altitude gained up to 10,000 feet
temperature lapse rate
pressure lapse rate
density lapse rate
The _____ of air molecules decreases with elevation, which limits the maximum altitude an aircraft can fly.
Pressure
Weight
Density
Temperature
With respect to aircraft performance, a ______ is the maximum density altitude an aircraft can reach under a set of conditions.
aspect ratio
camber
ceiling
angle of attack
This factor has the greatest impact when calculating lift and drag.
Wing Area
Density of Air
Velocity
Coefficient of Lift/Drag
The angle at which the relative wind meets the chord line of the wing.
Pressure differential
Center of Gravity
Angle of Attack
Mean Camber Line
Curve of the upper and lower surfaces of the airfoil. Determines airflow velocity on the upper and lower wing surfaces.
Mean Chord Length
Camber
Angle of Attack
Planform
The aircraft aspect ratio is the ______ divided by the ______.
span, angle of attack
average chord width, span
span, average chord width
total aircraft area, average chord width
