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M11 new josh > exm > Flashcards

exm Flashcards

1
Q

what axis is pitch controlled around

A

lateral axis

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2
Q

whats the purpose of vortex generators

A

re-energise a slow moving boundary layer

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3
Q

what are flaps used for

A

increase lift production during low speeds such as take off and landing

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4
Q

what does extending the trailing edge of the wing do

A

increases the camber to raise the lift co-efficient

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5
Q

what happens to the initial transonic shock wave when during transonic flight

A

moved all the way to the rear and has affixed to the aircrafts trailing edge

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6
Q

what are the advantages of using titanium on aircraft fuselages

A

titanium alloy can withstand higher temps whilst maintaining strength and shape

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7
Q

briefly describe semi monocoque (stressed skin) construction

A

skin reinforced by longitudinal members, also known as stressed skin structure

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8
Q

what are engine nacelles and their use

A

streamlined enclosures used primarily to house the engine and its components

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9
Q

what are the wing spars

A

principal structural members of the wing

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10
Q

before entering fuel tanks what must happen

A

fuel emptied and safety procedures must be followed

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11
Q

where are the ailerons attached

A

to the wing rear spar

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12
Q

what are spoilers attached using

A

bolts and bushes

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13
Q

where is pressurised air taken from in the engine

A

the entire compressor stage

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14
Q

what is the APU used for in the cabin

A

used to supply bleed air for air conditioning in the cabin

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15
Q

whats the function of the air conditioning system

A

maintain comfortable air temperature inside the aircraft

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16
Q

what temperature range is the cabin kept at

A

21-17 degrees celcius

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17
Q

what altitude does the cabin pressurisation help produce

A

8000ft or less

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18
Q

what is hypoxia

A

long periods at high altitudes causing fatigue and sickness

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19
Q

insufficient what causes hypoxia

A

oxygen

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20
Q

if the cabin altitude increases what happens to cabin pressure

A

cabin pressure decreases

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21
Q

what is in the basic T

A

airspeed indicator, attitude director indicator, altimeter, horizontal situation indicator

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22
Q

encoding altimeter

A
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23
Q

servo assisted altimeter

A
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24
Q

where are strainers in the reservoirs

A

in the filler neck

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25
Q

what should never be done with finger strainers

A

never be removed or punctured

26
Q

what is a hydraulic fuse

A

safety device

27
Q

where are hydraulic fuses normally fitted to

A

brake system, leading edge flap, nose landing gear, thrust reverser pressure/return lines

28
Q

what is a hydraulic accumulator

A

potential energy is stored as a compressed gas

29
Q

accumulators are used in fluid power systems to do what

A

accumulate energy and smooth out pulsations

30
Q

where are stainless steel fuel lines used and why

A

stainless steel lines used in engine compartments and wheel bays that susceptible to debri and corrosion

31
Q

globally whats the most popular fuel type

A

jet A1

32
Q

when does jet A freeze

A

-40 degrees celcius

33
Q

what are the 4 fuel leak classifications

A

stain, seep, heavy seep, running leak

34
Q

what is SFAR 88

A

permanent safety of fuel tanks

35
Q

what is used to remove volatile fuel and chemical vapours from the fuel tank

A

continual venting

36
Q

what is used in modern aircraft for the fuel quantity

A

capacitance type

37
Q

how are fuel tank units wired

A

in parallel

38
Q

if electrical power to refuelling valves is not available what is employed

A

override mode

39
Q

describe phosphate ester based fluid

A

extremely fire resistant but not fireproof under certain conditions, they burn

40
Q

whats an ACMPs

A

alternating current motor pumps

41
Q

what are the different types of packing seal

A

v-rings, u-ring, o-rings

42
Q

beta particle ice detection probe

A
43
Q

whats one major disadvantage of TKSTM

A

aircraft can only carry dedicated amount of fluid and will eventually run out

44
Q

pneumatic rain removal systems

A
45
Q

what is the torsion link damper sometimes called

A

shimmy damper

46
Q

what aligns the nose wheel for retraction

A

centring cam

47
Q

why are wheel wells required

A

to allow the wheel to retract into the fuselage

48
Q

what do wheel wells help prevent

A

drag

49
Q

what do anti skid systems do

A

protect tyre and improve braking efficiency

50
Q

when does a retractable unit lamp illuminate

A

until the wheel has fully extended to protect the area of excessive heat build up

51
Q

how many oxygen bottles are there for the flight crew

A

one or more

52
Q

where are the oxygen bottles stored on the aircraft

A

cargo compartment or main equipment centre

53
Q

how many lenses does the infrared faucet have

A

2

54
Q

wastewater doesnt include what

A

toilet waste

55
Q

what is grey water used to assist

A

toilet flushing or drained overboard

56
Q

what is hard failure

A

performance change of the system caused by a failure of the operating system

57
Q

what does the IMA share

A

resources such as memory and processor

58
Q

what CPIOM hosts an avionic application

A

CPIOM-B air conditioning applications

59
Q

decoder/encoder units type A, decoder/encoder unit type B

A
60
Q
A

M11 new josh (23 decks)

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