stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Aerodynamics Review Flashcards | StudBud
Explore
/
Aerodynamics Review
Aerodynamics Review
41 terms
·
StudBud Administration
·
15 plays
Imported from external platform
Flashcards
41 cards
F
Practice quiz
P
Host live
L
Questions
41
Answers
1
Which flap configuration will cause increase weight turbulent strength?
None of the Above
Flaps LDG
Flaps UP
Flaps T/O
2
Which of these is not a factor which primarily affects the strength of vortices?
AOA
Configuration
Weight
Speed
3
Indicated airspeed (IAS)
Speed aircraft moves relative to ground TAS corrected for wins
Dynamic pressure reading, total pressure-static pressure
IAS corrected for sensing errors caused by location of pedo static system
CAS corrected for errors by compressibility effects
4
____ is the point from which movements in roll, yaw, and pitch axes are measured
Center of drag
Aerodynamic center
Center of gravity
Center of lift
5
Maximum excess power for a propeller driven aircraft occurs ___ L/Dmax
At an airspeed above
Independent of
At
At an airspeed below
6
When taking off behind a heavy aircraft, established spacing requirement is ___ minute(s) minimum
1
3
5
2
7
Minimum landing, spacing requirement is ___ minute(s) behind a heavy aircraft
5
1
2
3
8
The sweep angle is defined as the angle between the quarter cord line, and a line parallel to the lateral axis of ACFT
False
True
9
True Airspeed (TAS)
Actual speed at which aircraft moves through an air mass
IAS corrected for sensing errors caused by location of pedo static system
Dynamic pressure reading, total pressure-static pressure
CAS corrected for errors by compressibility effects
10
Which factor would increase induced drag the most?
Altitude
Weight
Wing surface area
Velocity
11
In straight and level flight, angle of attack and velocity have ____ relationship
No
A perpendicular
An inverse
A direct
12
Which control surface remain working longest in a stall?
Aileron
Flaps
Elevator
Rudder
13
True airspeed will be _____ indicated airspeed at 10,000 feet altitude
Not enough information to determine
Equal to
Greater than
Less than
14
The measure of the average kinetic energy of air particles is called
Static pressure
Total energy
Temperature
Average lapse rate
15
Calibrated Airspeed (CAS)
Speed at which an aircraft moves through an air mass
IAS corrected for sensing errors caused by location of pedo static system
Dynamic pressure reading, total pressure-static pressure
CAS corrected for errors by compressibility effects
16
Potential energy is
Dependent on mass and velocity
The ability of a body to do work due to its motion
A scalar measure of a bodies capacity to do work
The ability of a body to do work due to its position or state of being
17
The apparent apparent motion of the air with respect to the motion of the aircraft is defined as the____
Pitch attitude
Relative wind
Flight path
Angle of attack
18
Cross coupling causes ____
Directional instability
Dynamic stability
The airplane to spin
Spiral and directional divergence
19
How is shaft horsepower measured?
propellor output
engine output
THP/SHP
it isnt
20
Equivalent Airspeed (EAS)
Dynamic pressure reading, total pressure-static pressure
CAS corrected for errors by compressibility effects
IAS corrected for sensing errors caused by location of pedo static system
Speed at which an aircraft moves through an air mass
21
Factor is the ratio of the ____ divided by ____
Weight; airspeed
Load; weight
Weight; drag
Load; altitude
22
True airspeed (TAS) must ______ as you climb an altitude for a constant indicated airspeed
Decrease
None of the above
Stay the same
Increase
23
How is efficiency of the engine measured?
Shaft HP
Thrust HP
propellor output
THP/SHP
24
What is NOT a type of parasite drag?
Form drag
Friction drag
Induced drag
Interference drag
25
In relation to velocity, total drag _____
Increases with increased velocity
Decreases with increased velocity
Decreases until L/Dmax then increases
Increases until L/Dmax then decreases
26
After rolling the plane "It generates forces that reduce the bank angle and returns it to wings level" is the def of ___
Wing sweep
Longitudinal stability
Lateral stability
Directional stability
27
A higher than standard day density altitude will cause
Increased takeoff role
Increased climb performance
Decreased takeoff role
High temperature
28
Thrust must increase in a turn due to the increase in _____
Weight
Centripetal force
Drag
Bank
29
Dynamic pressure is the measurement of force that molecules exert on each other in a still fluid
True
False
30
Which point represents max excess power?
B
D
A
C
31
A skid is caused by no rudder in the desired direction of turn the ball will be deflected toward the inside of the turn
True
False
32
A slip is caused by opposite or insufficient Rutter in the direction of turn. The ball will deflect toward the inside
True
False
33
Which point represents max excess thrust?
C
B
A
D
34
Ground speed (GS)
Dynamic pressure reading, total pressure-static pressure
CAS corrected for errors by compressibility effects
Speed at which an aircraft moves through an air mass
Speed aircraft moves relative to ground TAS corrected for wins
35
The Ailerons move the aircraft ___ about the ___ axis
Inversely; Longitudinal
Longitudinally; Roll
Longitudinally; Yaw
Laterally; Roll
36
Wake turbulence is generated
By any aircraft whenever it is producing lift
Only by helicopter sat hover that's more than enough
Only when an aircraft flaps are extended
Only by heavy aircraft
37
Span wise flow produces no lift
True
False
38
Air density is ___ at 10,000 feet compared to ____ feet
Lower; 20,000
Lower; 5000
Equal; 20,000
Equal; 5000
39
When is slipstream swirl most felt?
High PWR High Airspeeds
High PWR Low Airspeeds
Low PWR Low Airspeeds
Low PWR High Airspeeds
40
Chordwise flow produces lift and runs parallel of leading edge
True
False
41
What is done when a force acts upon a body and moves it?
Nothing
Force
Power
Work
