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M11.1-11.4 > m11.3 > Flashcards

m11.3 Flashcards

1
Q

what are the 2 different truss type construction methods

A

pratt truss
warren truss

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2
Q

common methods of sealant application

A

faying seal
fillet seal

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2
Q

what is a faying seal

A

2 pieces of metal overlap
one piece will be exposed to airflow and joggled
sealant will be placed in between the 2 pieces

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3
Q

when is a fillet seal use

A

when 2 pieces of metal are joined together

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4
Q

how are electrical cables sealed

A

using rubber or silicon seals/ or sealant plates

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5
Q

where are wings attached

A

either above or below the fuselage section

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6
Q

why may the fuselage be notched or cut out

A

to accept a centre wing section

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7
Q

how is the vertical fin attached

A

using bolted fittings on a frame member

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8
Q

where are horizontal stabilizers attached to

A

some are attached directly to the vertical stab

some are attached to fuselage frames

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9
Q

what are engine pylons attached to

A

the wings

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10
Q

what are the pylon structural members called

A

spars (upper, middle, lower)

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11
Q

what is transferred from the engines to the air frame

A

thrust

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12
Q

what is a nacelle

A

a streamlined enclosure, that is attached to the pylon, to house the engine

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13
Q

on modern a/c is the landing gear attached to the wings

A

yes

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14
Q

how is the landing gear attached to the wings

A

the wing spar

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15
Q

what are the names for seat tracks

A

L tracks or I tracks

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16
Q

how is cargo manoeuvred in and out of a/c

A

PDUs, rollers, ball mats

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17
Q

what are the cargo containers called

A

ULDs unit loading devices

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18
Q

what are the different types components found in cargo loading systems

A

transport components

guidance components

restraining and locking components

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19
Q

what does ARO stand for

A

anti roll out device

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20
Q

what are PEDs and MEDs

A

passenger and main entry doors

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21
Q

what type of door is a MED

A

plug types

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22
Q

4 types of seal shapes

A

bulb type
diaphragm
flap types
multiform

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23
Q

what is stated in ICAO annex 6

A

a/c over 45 500kg or pax of more than 60 should be equipped with an approved crew compartment door, able to resist small fire arms and grenade sharpnel

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24
Q

what type door is a service door

A

non plug type

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25
Q

what types of door is a cargo door

A

non plug type

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26
Q

why are plug type doors used

A

for aircraft with cabin pressurisation

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27
Q

what materials must the cockpit door be made of

A

glass reinforced polymers
kevlar and dyneema
laminates of high strength glass fibre

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28
Q

what must all emergency exit doors have

A

an emergency escape slide

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29
Q

when the door is opened in armed mode what happens

A

the escape slide is deployed automatically

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30
Q

what type of doors are used for emergency exits

A

mainly plug type

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31
Q

what connects the door frame to the escape slide

A

the girt bar

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32
Q

what should you check if the bulk cargo door fails to stay open

A

check the counterbalance spring for the correct tension

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32
Q

how is the girt bar mechanism controlled

A

a mode selector lever (armed/disarmed)

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33
Q

how can cargo doors be operated

A

electrically, hydraulically, manually

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34
Q

what does a door synoptic display show

A

equipment centre access doors
pax entry doors
cargo compartment doors

35
Q

what does an amber door symbol mean

A

the door is not closed, latched and locked

36
Q

what does A and M mean on the mode selector handle

A

A - auto (green)

M - manual (white)

37
Q

what are the typical areas that have windows fitted

A

flight deck windows

cabin windows

observer windows

38
Q

small and unpressurised a/c use what type of windows

A

windows constructed from a single pane of acrylic plastic or other clear plastic

39
Q

what types of windows do pressurised a/c use

A

pax cabin windows

flight deck windows

40
Q

what is the fail safe design for pax windows

A

they have 2 layers of plastic

41
Q

why is there a vent hole in the inner pane

A

so the pressure difference between panes is the same, to also prevent misting

42
Q

how should windows be cleaned

A

use mixture of water with mild soap or isopropanol

43
Q

how are flight deck windows constructed

A

lamination’s of tempered glass/plastic
one being conductive

44
Q

what is special about the heated lamination

A

more resistant to impact breakage

45
Q

what are the types of damage found on flight deck windows

A

delamination and bubbles

chips, cracking, or scratches

46
Q

scratches on a window bigger than what size require replacement

A

0.002 in

47
Q

what is crazing

A

small fissures, which frequently start from small scratches in the face of the window

48
Q

types of window repairs

A

grinding, polishing, buffing, grinding

49
Q

what is the structure of a typical wing

A

left and right wing box as well as a centre wing box

50
Q

what does full cantilever mean about wings

A

they constructed without the need for external bracing

51
Q

what are the 3 types of wing construction

A

mono spar
multi spar
box beam

52
Q

what is a mono spar construction

A

a construction that uses one main longitudinal member

53
Q

what is a multi spar construction

A

uses more than 1 longitudinal member

54
Q

what is box beam wing construction

A

uses 2 main longtudinal members, with connecting bulkheads for more strength

55
Q

what is the most common wing spar

A

I beam spar,

its top and bottom are called caps then the vertical section is called the web

56
Q

on aircraft with stressed skin what type of panels are used

A

honey comb structure

57
Q

what are the 3 basic fuel tank types

A

rigid removable
flexible bladder
integral

58
Q

describe rigid tanks

A

they are riveted or welded together
include features like baffles, and terneplates

59
Q

where are removable tanks usually found

A

in the wings

60
Q

what are bladder tanks made from

A

reinforced flexible material

61
Q

why is it called an integral fuel tank

A

it forms a tank from within the airframe structure

62
Q

why must integral fuel tanks have access panels

A

for inspection and repairs

63
Q

what must be done before entering an integral fuel tank

A

fuel emptied and vapours purged

64
Q

how are pylons designed

A

to be aerodynamic and reduce air resistance

65
Q

other than engines what can pylons and also be attached to

A

wings

66
Q

what profile does a nacelle have

A

round or elliptical

67
Q

what is used to anchor control surfaces to the wing

A

wing spars

68
Q

what is meant by a fixed stabiliser

A

also known as a tailplane, has 2 fixed aerofoils that are connected

69
Q

what is meant by a stabilator

A

a one piece all-moveable tail that pivots up and down, does not require an elevator

70
Q

what is meant by a variable incidence tail plane

A

referred to as a stabiliser, this is also a one piece all-moveable tail, but elevators are attached to the trailing edge

71
Q

what are primary flight controls

A

controls for yaw, pitch, and roll

72
Q

what are the secondary flight controls

A

speed braking and slat and flap system, as well as trim syst

73
Q

what 3 control surfaces are connected to the wing rear spar

A

ailerons, spoilers, flap tracks

74
Q

what are the 2 methods of balancing

A

aerodynamic balancing
mass balancing

75
Q

how is mass (static) balancing achieved

A

by adding weights to the leading edge of the control

76
Q

where and how many toque box attachments are there

A

2 fwd pylon attachments 1 aft pylon attachment

(3)

77
Q

what is a firewall

A

a flame proof bulkhead that separates the engine compartment from the rest of the a/c

78
Q

what does CS-25 state about fire walls

A

1- must be fireproof
2- made so that no hazardous liquids, gases, or flames can escape
3- each opening is sealed
4- protected against corrosion

79
Q

what are firewalls made of

A

heat resistant materials, like stainless, inconel , or titanium

80
Q

what are fire walls inspected for

A

security and cracking

80
Q

what are engine mounts usually made from

A

chrome/nickel/molybdenum

80
Q

other than attachment what is another purpose of an engine mount

A

suppress vibrations from the engine, as well as distribute them to the whole a/c safely

81
Q

what limits excessive engine movement

A

metal snubbers

81
Q

how are engine mount rings attached to the engine

A

dynafocal mounts

82
Q

how are attachments between the vert stab and fuselage strengthened

A

body fittings, splice plates, stiffeners

83
Q

what are spoiler panels made up by

A

upper and lower metallic or composite skin, with a honeycomb sandwich layer

84
Q

how are engine mounts secured to the a/c

A

special heat treated steel bolts

M11.1-11.4 (4 decks)

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