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M11 Resit > 11.10 > Flashcards

11.10 Flashcards

1
Q

Where are auxiliary tanks kept

A

Horiz stab and cargo

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2
Q

What are trim tanks

A

Tanks used for storing feuding g and trimming ac by moving the fuel around

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3
Q

What are rigid lines made of

A

Stainless steel or alluminium alloy

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4
Q

Where area flexible hoses used

A

In places prone to vibration

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5
Q

Where area flexible hoses used

A

In places prone to vibration

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6
Q

Where at stainless steel lines used

A

Engine prone to heat, debris or abrasion

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7
Q

What are two types of fuel

A

AVGAS
JET FEUL

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8
Q

How’s AVGAS made.

A

Carrying out fractional distillation on crude oil

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9
Q

What’s the flash points and freezer points for jet a or jet a1

A

Flash= both are between 43-65 degrees celcius

Freeze= jet a = -40
Jet a1= -47

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10
Q

What’s jet B freezing point

A

-50

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11
Q

What’s the density of jet a and jet a1

A

0.81 kg/l of 15 c

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12
Q

What colour is 100LL AVGAS

A

Blue

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13
Q

What colour are 100/130 octane fuels

A

Green

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14
Q

What colour is a 82UL AVGAS

A

Purple

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15
Q

What colour is a 115/145 AVGAS

A

Purple

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16
Q

What are rigid tanks made of

A

Terneplate (tin/lead alloy)

3003 and 5052 aluminium alloy or stainless steel

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17
Q

Process of NGS ans what NGS stands for

A

Nitrogen generating system

Intake

Pre cooling

Filtration

Separation in ASM

Distribution

Venting

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18
Q

What period of time is needed to monitor the surface area of collected fuel from a tank

A

30 mins

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19
Q

What size is a fuel stain

A

3/4 inch in diameter

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20
Q

What size is a fuel seep

What size is a heavy seeps

A

3/4-1.5inch

1.5-4inch

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21
Q

What regulation is in place relating to fuel tank safety

A

SFAR 88

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22
Q

What does CDCCL stand for

A

Critical design control configuration limits

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23
Q

What are the four primary causes which can result in ignition of fuel vapours

A

Electrical arcs

Filament heating

Friction sparks

Hot surface ignition

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24
Q

What are the four primary causes which can result in ignition of fuel vapours

A

Electrical arcs

Filament heating

Friction sparks

Hot surface ignition

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25
Q

What are the two team members involved in a feul tank entry team

A

Confined space entry

Standby person

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26
Q

What equipments required for a fuel tank entry

A

Two separate filtered air supplies with a minimum supply of 170 l/min

One for the confined space entrant’s use – primary rig
One for the standby person’s use – standby rig

Face mask respirator for each person

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27
Q

What’s done to ensure that the feul tanks feeding the engine are both equal pressure

A

Vented to each other

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28
Q

What type of ac cannot use gravity to feed the feul to the engines

A

Low wing

29
Q

What fuel system do most high wing high performance ac use

A

Injection fuel feed

30
Q

What’s one disadvantage of hand operated pumps

A

It requires a fuel line to run from he cockpit to the pump

31
Q

What do vane type fuel pumps have in order to prevent the pump from providing more fuel than necessary to the engine

A

A adjustable pressure relief compinent

32
Q

What’s the most common fuel pimp used

A

Centrifugal

33
Q

What does always maintaining a fuel supply to the pump inlet ensure on a ejector or centrifugal pump

A

That the pump doesn’t cavitate and the pumps cooled by the fuel

34
Q

What fuel filter has the best filtering action and what size particles can it catch

A

Micron filter

10-25 microns

35
Q

What’s an issue of a micron filter

A

Susceptible for clogging so need a bypass

36
Q

What two major weight limits do aircraft have

A

The maximum take off weight

The maximum structural landing weight

37
Q

What two major weight limits do aircraft have

Which ones usually lower

A

The maximum take off weight

The maximum structural landing weight - Lower

38
Q

How’s the jettison system constructed to save weight

A

Lines Sharing with refuelling manifold

39
Q

What are surge tanks used for

A

Collecting overflow feul

NOT STORING

40
Q

What are surge tanks used for

A

Collecting overflow feul

NOT STORING

41
Q

What do flapper valves do

A

Prevent fuel from travelling outboard of wing during manoeuvre

42
Q

What do flapper valves do

A

Prevent fuel from travelling outboard of wing during manoeuvre

43
Q

When can fuel defuel valves be operated

A

On ground only

44
Q

When can fuel defuel valves be operated

A

On ground only

45
Q

What power does the fuel cross feed valve operate on

A

28 volts dc

46
Q

How many fuel flow indicators are there per engine

A

1

47
Q

What advantage does a capacitance type quantity system have

A

Contain no moving parts in the tank units

48
Q

Where are variable transmitters installed in the fuel tanks

A

In the tank and run from top to bottom of tank

49
Q

Where are variable transmitters installed in the fuel tanks

A

In the tank and run from top to bottom of tank

50
Q

What 3 factors affect the amount of electricity stored in a capacitor

A

The area of its plates
The distance between the plates
The dielectric constant of the material separating the plates

51
Q

What 3 factors affect the amount of electricity stored in a capacitor

A

The area of its plates
The distance between the plates
The dielectric constant of the material separating the plates

52
Q

How does a ultrasonic type level sensor measure fuel level

A

They’re fitted to the top of the fuel tank and they measure the distance from of the sensor from the fuel to determine the amount

53
Q

How’s all the inputs from a feul selector panel control the engines

A

Using booster pumps and cross feed switches

54
Q

What does a dim light indicate on a valve in transition indicator light
Bright light
No light

A

Dim- abnormal flight conditions
Bright - transit
No- normal flight condit

55
Q

Where’s the refuelling panel located

A

Wing leading edge

56
Q

Where are refuelling couplings located

A

Underside of wings

57
Q

What does the refuelling coupling have to prevent leaking

A

A spring loaded check valve

58
Q

What needs to be calculate before refuelling in manual mode

A

Fuel distribution

59
Q

How are solenoid operated refuelling valves made fail safe

A

They close when powers disconnected

60
Q

What’s the output pressure of the boost pump and what does this allow

A

Fast defeuling

25-50 psi

61
Q

What’s the min suction required for suction defueki g from the van

A

10-15

62
Q

What’s a major disadvantage and a major advantage for suction defuellimg

A

Disadvantage- it’s hard to Defeul one tank without defuelimg the others too

Advantage- can be done without ac power

63
Q

How far should no smoking signs be positioned from a refuelling zone

A

15m

64
Q

How large should the refuelling zone be

A

6m min

65
Q

What extinguishers should be used for a fuel fire

A

CO2 or foam

66
Q

What extinguishers should be used for a fuel fire

A

CO2 or foam

67
Q

What’s the max resistance between the binding clip and fuelling system framework

A

25 ohms

68
Q

What’s the disadvantage of using elevator trim to compensate for nose down attitude caused by the c of g moving due to fuel consumption

A

Increased drag so more fuel consumption

M11 Resit (13 decks)

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