Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

UPT Study Material Kronk > AE Test > Flashcards

AE Test Flashcards

1
Q

Vector

A

Quantity that represents direction and magnitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Displacement

A

Distance and direction of a body’s movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Velocity

A

speed and direction of a body’s motion (rate of change of position

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Acceleration

A

Rate of change of velocity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Force

A

push or pull exerted on a body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Vectors may be added by

A

placing the head of the 1st on the tail of the second and drawing the resultant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Mass

A

quantity of molecular material that comprises an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

volume

A

the amount of space occupied by an object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Density

A

Mass per unit volume
Mass/volume=density

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Work

A

done when a force acts on a body and moves it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Work=

A

Force (F) x the distance of displacement (s)
F x S

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Power

A

is the rate of work done per unit time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

P=

A

W/t
or
F(s/t)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Horsepower

A

Calculated by dividing power by 550

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Weight

A

the force with which a mass is attracted toward the center of the earth by gravity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Force=

A

mass x acceleration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Moment

A

created when force is applied from some distance producing rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Moment arm

A

distance between axis and force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Moment=

A

force x distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Energy

A

scalar measure of a body’s capacity to do work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Total energy=

A

KE+PE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Potential energy

A

is the ability of a body to do work because of its position or state of being

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Kinetic Energy

A

ability of a body to do work because of its motion

=1/2 x mVsquared

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Newton’s 1st law of motion

A

Law of Equilibrium

A body at rest stays at rest blah blah

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Equilibrium

A

The lack of acceleration in any direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

newton’s 2nd Law of motion

A

Law of Acceleration

unbalanced force produces accel in direction of the force proportional to the force and inversely proportional to the mass.

A=F/m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Newton’s 3rd Law

A

the law of interaction

For each action there is an equal and opposite reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Ambient static pressure

A

measurement of the weight of an air column over a specific area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Air density

A

total mass of air particle for a given volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Temperature

A

measure of the average kinetic energy of the air particles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

General gas law

A

relationship between pressure density temp and constant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Static Pressure

A

the force that molecules of air exert on each other by their random movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Dynamic Pressure

A

measure of impact pressure of a large group of air molecules moving together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Total pressure

A

sum of static and dynamic pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Mass flow continuity in subsonic airflow

A

A1V1=A2V2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Bernoulli’s equation

A

describes lift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

True Altitude

A

Actual height above mean sea level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Pressure Altitude

A

height measured above standard datum plane (actual elevation where barometric pressure is equal to 2992

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Density altitude

A

pressure altitude corrected for temperature deviations from the standard atmosphere
(not used for height ref but gauging aircraft performance)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

True airspeed (TAS)

A

speed at which an aircraft moves through an air mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Groundspeed (GS)

A

True airspeed corrected for winds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Indicated Airspeed (IAS)

A

speed that pilot reads of the airspeed indicator (shows dynamic pressure)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

TAS increaases

A

3 kts for every 1000’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Calibrated airspeed (CAS)

A

indicated airspeed corrected for indicator or sensing error

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Equivalent Airspeed (EAS)

A

calibrated airspeed corrected for errors caused by compressibility effects.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Airfoil

A

streamlined shape designed to produce lift as it moves through the air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Mean Camber Line (MCL)

A

line drawn between leading and trailing edge halfway between the upper and lower surface of the airfoil.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Chordline

A

infinitely straight line drawn from leading edge to trailing edge. Chord is segment between the two edges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Root chord

A

chord at wing root

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

tip chord

A

chord measured at wingtip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

average chord

A

averages all the chords from root to wingtip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

camber

A

curvature of the mean caber line of an airfoil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

symmetric airfoil

A

has zero camber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Positively cambered airfoil

A

more cross section above than below the chord

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Negatively cambered airfoil

A

opposite of positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

spanwise flow

A

flow that travels along wing parallel to leading edge, does not create lift.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

chordwise flow

A

flows at right angle to leading edge and produces lift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

pitch attitude

A

angle between longitudinal axis of plane and horizon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

flightpath

A

apparent movement through an airmass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

relative wind

A

motion of air with respect to the motion of the aircraft, opposite of the flightpath

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

AOA

A

angle between the chordline and the relative wind

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Angle of incidence

A

angle of the plane’s longitudinal axis and chordline of its wing.

63
Q

Dihedral angle

A

upslope or downslope of the wings when viewed head on

64
Q

wingspan

A

distance from wingtip to wingtip

33 feet 5 inches for T-6

65
Q

Wing area (S)

A

apparent surface area of the wing.

chord x wingspan

66
Q

Wing loading (WL)

A

ratio of aircrafts weight to surface area of wings.

WL= weight/S

67
Q

Wing Taper

A

reduction in chord from root to tip

68
Q

Sweep angle

A

angle between the quarter chord and a line parallel to the lateral axis.

69
Q

aspect ratio

A

ratio of wingspan to average chord

70
Q

Center of Gravity

A

point at which all weight is considered to be concentrated

71
Q

Aerodynamic center

A

also known as the center of lift and where all aerodynamic forces are acting.

72
Q

Weight

A

Force of earths gravity acting on mass of aircraft

73
Q

Lift

A

Acts against weight
Aerodynamic force

74
Q

Thrust

A

Provided by prop or jet

75
Q

Drag

A

acts against thrust
aerodynamic force

76
Q

Equilbrium

A

absence of acceleration either angular or linear

77
Q

8 factors that affect lift

A

air density, velocity, surface area, AOA, shape of airfoil, aspect ration, viscosity, compressibility

78
Q

Aerodynamic stwist

A

decrease in camber from the wing root to wingtip

79
Q

geometric twist

A

decrease in angle of incidence from wing root to wing tip

80
Q

parasite drag

A

drag not associated with production of lift

increases with increase in velocity

81
Q

3 types of parasitic drag

A

form, friction, interference

82
Q

form drag

A

result of separation of airflow from a surface and wake created by separation

83
Q

friction drag

A

caused by turbulent airflow in the boundary layer

84
Q

interference drag

A

mixing air streams between aircraft components such as wing and fuselage

85
Q

Induced Drag

A

associated with the production of lift

when velocity increases induced drag decreases

86
Q

total drag

A

combination of parasite and induced drag resulting in L/D max

87
Q

ground effect

A

greatly reduces induced drag within 1 wingspan of ground

88
Q

Thrust horsepower

A

propeller output

89
Q

shaft horsepower

A

engine output

90
Q

thrust required

A

must be higher than total drag

91
Q

thrust available

A

max at PCL 100%
as velocity increases thrust available decreases

92
Q

thrust excess

A

occurs when thrust available is greater than thrust required for a particular velocity

93
Q

power available

A

amount of power the engine produces at given PCL setting, velocity, and density

94
Q

Power required

A

amount of power required to produce the thrust required

95
Q

weight effects on Pr and Tr for level flight

A

increase weight shift Pr & Tr curves up and to the right

96
Q

Altitude effects on Pr and Tr for level flight

A

increase in altitude the Tr curve shifts right, the Pr curve shifts up and right

Ta and Pa decrease at high alt

97
Q

Plain flap

A

hinged portion of the trailing edge of wing

98
Q

Split flap

A

plate deflected from lower wing surface creates more drag than plain (used by T-6)

99
Q

Slotted flap

A

like plane but opens small slot between flap and wing

100
Q

Fowler

A

used on larger aircraft to increase camber and surface area

101
Q

Leading edge flaps

A

slats

102
Q

Flap effects

A

increase lift, slower takeoff and landing, lower aoa

103
Q

Minimum takeoff speed

A

20 %above the power off stall speed

104
Q

Takeoff distance factors

A

Weight(greatest factor)
flaps
high density altitude
high hot heavy humid
winds

105
Q

Max rate climb

A

most climb per unit time (140KIAS)

106
Q

Max angle

A

gain most alt for least distance
slower than best rate
still use 140 KIAS

107
Q

max endure

A

max time plane can stay airborne
less than LDmax speed and higher AOA

108
Q

Max range

A

how far for given fuel
On LDmax speed and AOA

109
Q

Cruise factors

A

Weight= lower endure/range
Altitude= higher alt endure/range
Configuration= gear down low endure/range
Wind= does not affect endurance, can help or hurt range

110
Q

critical mach

A

first evidence of local supersonic flow on an airplane

111
Q

best glide speed

A

engine out max range speed per 1000’ lost 125 kias

112
Q

glide range

A

glide ratio 11:1

113
Q

glide factors

A

high alt= greater range
tailwind= increased range
configuration
non feathered prop
weight= fly faster

114
Q

region of reverse commands

A

fly slower than LDmax

“behind power curve”

115
Q

approach speed

A

1.3 times stall speed

116
Q

4 turning tendencies

A

Torque causes left role
P-Factor nose high yaw left nose low yaw right
Slipstream swirl yaw left
gyroscopic precession pitch nose up yaw right

117
Q

adverse yaw

A

yaw in direction of down aileron

118
Q

slip

A

ball and turn pointer on same side

119
Q

skid

A

ball and turn pointer on opposite

120
Q

limit load factor

A

greatest load factor plane can sustain without risk of permanent deformation or damage

121
Q

ultimate load factor

A

max load factor an aircraft can sustain without structural failure

150% limit load factor

122
Q

Symmetric

A

only elevator is defleted

123
Q

asymmetric limits

A

when aileron or rudder deflected with elevator

124
Q

maneuvering speed

A

speed which full abrupt control movements can cause structural damage

227 KIAS

125
Q

Static stability

A

tendency of an object to move toward or away from its original equilibrium

Positive- return to
Negative- move away from
Neutral- oscillations never dampen

126
Q

stability and maneuverability are

A

inversely proportional

127
Q

Dynamic stability

A

position and measure of displacement of an object after it has been disturbed with respect to time

Positive- oscillations become smaller
negative- get bigger
neutral- never dampen

128
Q

longitudinal stability

About the lateral axis

A

CG ahead of AC is stable
CG aft of AC is unstable

129
Q

slideslip angle

A

difference between flight path and longitudinal axis

130
Q

wing impact

A

advancing wing has more parasite drag pulling it back to equilibrium

131
Q

directional stability Fuselage impact

A

negative contributor

132
Q

Directional stability vertical stabilize

A

greatest positive contributor

133
Q

Lateral Static Stability

A

Dihedral wing is greatest positive contributor
high wing is positive
low wing is negative
wing sweep is positive
vert stabilizer is positive

134
Q

Direction divergence

A

continues yaw and increase its sideslip angle in response to small initial sideslip

135
Q

Spiral divergence

A

continues to roll and yaw in reaction to initial sideslip resulting in a tight descending spiral

136
Q

Dutch Roll

A

caused by strong lateral and weak directional stability

137
Q

Proverse roll

A

Tendency for plane to roll in same direction it is yawing

138
Q

Boundary layer definition

A

Thin layer of air near surface of airfoil where streamlines demonstrate local retardation due to velocity

139
Q

Laminar Flow

A

Primary producer of lift

140
Q

Turbulent Flow

A

Produces minimal lift

141
Q

Adverse pressure gradient

A

low pressure behind max point of thickness
creates turbulent flow
kinetic energy of the relative wind

142
Q

Definition of boundary layer separation

A

point in the streamline where airflow no longer adheres to the airfoil

143
Q

Definition of stall

A

flight condition where increase in AOA decreases CL
remains constant for any given airfoil

144
Q

Stall airspeed

A

variable based on condition

145
Q

Pro spin rudder

A

nose will pitch up
lesser vertical component of drag
initial rotation slows
then increases

146
Q

anti spin rudder

A

nose will pitch down
larger vertical component of drag
initial rotation increases
then slows

147
Q

nose down elevator (accelerated)

A

maximizes vertical drag
nose pitches down
spin accelerates

148
Q

nose up elevator (unaccelerated)

A

minimizes vertical drag
nose pitches up
spin decelerates

149
Q

progressive spin

A

maintaining full up elevator and anti-spin rudder

lowering of the nose spin direction reversal

150
Q

aggravated spin

A

caused by maintaining pro spin rudder and moving stick forward of neutral

nose down pitch and increased roll rate

151
Q

right spin

A

stabilizes at lower pitch
slower with more oscillation
rotation rate increased

152
Q

left spin

A

higher pitch
stabilizes faster with less oscillations
rotation rate decreased

153
Q

ways to detect microburst

A

formal weather briefs
visual cues
airport alert systems
pireps

UPT Study Material Kronk (27 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions