Brainscape's Knowledge GenomeTM

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


See full index

Private pilot > aero > Flashcards

aero Flashcards

You may prefer our related Brainscape-certified flashcards:
Charter Pilot (Part 135) - Oral flashcards
0
Q

which wing is more ideal aerodynamically

A

elliptical

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

which wing is somewhat more superior aerodynamically

A

high wing

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

what wing is least expensive to manufacture

A

rectangular

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

most expensive wing

A

elliptical

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

what’s the best compromise between all types of wings

A

tapered rectangular

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

what is the most important factor in determining the power plant of an airplane

A

power/weight ratio

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

what is the part that most enhances the visual appeal of an airplane

A

tail

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

of all wings out there what wings provide the best lateral stability

A

high wing

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

what category airplane is cat is far 23

A

utility

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

what aerodynamic benefits are there with a swept tail

A

NONE

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

of all aircraft manufacturers before 1970 which one was most successful with drag cleanup

A

mooney

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

what are the main advantages of canard airplane

A

nose up lifting force

high lift/drag ratio

reduction of drag

harder to stall recovery is easy

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

high aspect ratio increase or decrease aircraft performance

A

increase

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

what’s a disadvantage of canard airplane

A

less cg range

longer ground roll

very careful balancing between canard and wing

canard lifts nose up all the time could be destabilizing

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

on flying wing that short arm from leading edge to the center of wing means that you have a lower cl max on a wing what does that do for ground roll

A

increase significantly

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

how do you get tail down force on a flying wing

A

back of wing is curled up

reflexive tail

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

sweet back wings allow planes to Travel faster how?

A

decreases critical Mach number

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

increasing effective aspect ratio of wing

A

reducing induced drag

increases climb performance and range

decreasing ground roll distances

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

what is stability

A

tendency of an airplane to returned to a trimmed position after a disturbance

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

what opposes load factor

A

resultant component of lift

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

dynamic stability

A

stability over time

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

for a plane to be dynamically stable what must it have first

A

static stability

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

what is the definition in speed of supersonic

A

Mach 1.2 -5

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

when am airfoils upper surface has reached Mach 1 what have you hit

A

critical Mach number

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

what happens to drag at critical Mach

A

significantly increases

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

proppellers take a _________amount of air and create ________ amount of velocity

A

large , small

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

what’s the definition of Endurance

A

most time aloft on a given amount of fuel

27
Q

how do you determine aspect ratio of a wing

A

span of wing divided by average chord

28
Q

air molecules moving over the upper surface of the wing travel faster or slower than the bottom of the wing

A

faster

29
Q

what do vortex generators do

A

Imparts energy into the airfoil to keep air laminar

30
Q

most expensive engine

A

turbojet engine engine

31
Q

what is least expensive engine

A

reciprocating engine

32
Q

best fuel conservation

A

reciprocating engine

33
Q

when bank angle increases what also increases

A

stall speed / load factor

34
Q

as airspeed increases what also increases

A

induced drag decreases with airspeed

35
Q

what is specific fuel consumption

A

pg 226

36
Q

aspect ratio

A

span divided by mean chord

37
Q

what happens to a plane in ground effect

A

induced drag is reduced because the wingtip vortices aren’t fully formed under wing

38
Q

why is LD max important

A

maximum glide speed and max glide angle

39
Q

newton third law

A

for every action there is an equal and opposite reaction

40
Q

Newton’s first law motion

A

an object at rest sill stay at rest

41
Q

newtons 2nd law of motion

A

an object at rest will stay at rest unless something affects it

42
Q

what is the line from leading edge from camber to trailing edge

A

mean camber line

43
Q

when airflow over the wing adheres to the surface what kind of airflow is it

A

laminar

44
Q

what can upset laminar airflow

A

exceeding the critical layer of attack
ice
rivets
spoilers

45
Q

what is the one factor that increases induced drag more than another factor

A

slow flight high angle of attack

46
Q

what is the best thing you can do. together. the minimum amount of induced drag

A

clean configuration cruise flight

47
Q

definition of range

A

max distance for given amount of fuel

48
Q

5-27

A

load limit va

49
Q

three axis of flight center of gravity

A

an

50
Q

what kind of stability does aileron deflection affect

A

lateral

51
Q

what kind of stability Is determined by CG

A

longitudinal

52
Q

what stability does Dihedral affect

A

lateral

53
Q

elevator Affects what stability

A

longitudinal

54
Q

fuselage effect affects what stability

A

longitudinal

55
Q

tail down force affects what stability

A

longitudinal

56
Q

vertical stabilizer

A

directional

57
Q

weathervaning effects what stability

A

directional

58
Q

wing taper affects what stability

A

lateral

59
Q

horizontal stabilizer affects what type of stability

A

longitudinal

60
Q

what do vortex generators on top of the wing do?

A

impart energy to the wing to aid the laminar flow of air

61
Q

under 12500 lbs

A

FAR 23

62
Q

largest develop,ent in aviation in the last 100 years

A

the jet engine

63
Q

write the coefficient of lift formula and choose the two areas that pilots have control over

A

Cl= lift/ 1/2 dynamic pressure x V^2 x SA

64
Q

calculate the rate of climb for excess engine power

A

RC= (changeP) x 33,000

Private pilot (3 decks)

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