問題一覧
1
Fractional distillation
2
Cracking or “cracked”
3
Avgas that vaporizes too quickly can evaporate in the fuel line causing “vapour lock” which can lead to engine stoppage
4
The required pressure above the liquid to prevent vapour from escaping at a given temperature
5
Excessive temperature or excessive pressure in the cylinder
6
The less resistant the fuel is to ignition or detonation
7
The heaviness of a volume of substance compared to an equal volume of water
8
A measure of the fuels ability to flow
9
Avgas
10
A measure of the fuels ability to change from a liquid into vapour. Critical to engines performance.
11
The lowest temperature at which the fuel can vaporize to form an ignitable mixture in the air. Avgas has lowest flashpoint, extremely flammable
12
Fuel tanks, fuel trucks, fuel pumps, fuel valves, filler cap
13
1. Avgas 80 (red, 80/87, phased out in 1980s 2. Avgas 100 (green, 100/130, used in high performance engines 3. Avgas 100LL (blue, most common used in aviation
14
Octane level
15
True
16
Avgas 100LL
17
Tetraethyl Lead, ethylene bromide
18
Octane or Anti-Knock
19
Detonation, due to using a low octane fuel at a higher temperature it will knock
20
Freeze point
21
•Jet A ( colourless/ straw coloured, mixture of kerosene and naphtha, Low flash point) • Jet A-1 ( colourless or straw coloured, available worldwide, same flash point as Jet A, freeze point -47 •Jet B (colourless/ straw colour, low flash point and freeze point for cold weather conditions.
22
Wide cut
23
Colder climates, freezing point lower than jet A
24
Colourless or straw colour
25
Easier handling properties, high flash point. Higher flash and freezing point
26
•JP-4 is military equivalent of Jet 8, additional corrosive inhibitor and anti-icing additives •JP-5 same spec as JP-4, higher flash point •JP-8 military equivalent of Jet A-1.
27
Ullage
28
1. Connect dispensing unit to ground 2. Connect aircraft to ground 3. Grounding cable connected from fuel truck to aircraft
29
1. Aircraft in flight 2. Rapid flow of fuel through a pipe or filter, or the splashing of fuel in thank during fuelling 3. Fuel truck builds static as it drives
30
Viscosity (determines ability to hold contaminates)
31
Before aircraft fuelling, fuel storage tank must be checked for water contamination
32
Excess water that cannot dissolve called “free water” •appears as a water slug or entrained water droplets
33
No
34
“Water detecting paste”or “vegetable dye”
35
Red
36
Engine failure / stoppage, icing in aircraft systems
37
Viscosity of fuel determines its ability to hold contaminants. Jet fuel has higher viscosity and retains contaminants
38
Viscosity and microbial growth
39
Surface active agent, consists of soap or detergent like materials in the fuel. Naturally occurring
40
A common anti-icing fuel additive, prevents microbial growth
41
Ensure aircraft is outdoors, ground truck, plane, plane-truck
42
The process of draining the tanks by opening the drain valves of the aircraft fuel system. Very dangerous due to static buildup
43
Fueling aircraft must be 50 feet from hangar or buildings, no smoking or fire hazards or spark hazards near fuelling area
44
Yes. Only within planes from same organization
45
ATA chapter 28
46
ATA 73
47
Gravity feed, pressure feed
48
Pressure feed systems
49
Supplies fuel pressure to the carburetor, should the engine driven pump fail
50
Welded/ riveted Wet wing or integral Bladder type
51
Filler cap, vented and non-vented fuel cap.
52
To provide a slight positive pressure in the fuel tank during flight
53
Can cause “siphoning of fuel from the tank” due to low pressure airflow
54
Fuel caps have placards and the use of restricted opening to prevent different fuel nozzles from not fitting if incorrect to required fuel
55
•Rigid, (copper, aluminum, stainless steel) •Flexible (synthetic rubber, Teflon)
56
Fittings should be tightened to manufactures recommended torque values
57
Located and installed at the lowest part of the system
58
Coarse filter between fuel tank and fuel pump Fine mesh filter between fuel pump and fuel control system
59
Water condenses out of jet fuel with changes in temperature. At high altitudes the water will freeze after it condenses from the fuel.
60
1. Using fuel heat valve to use warm engine bleed air into the fuel heater. 2. Using heated engine oil
61
Compensator allows for changes in fuel temperature (density).
62
Each fuel quantity indicator must read “zero” during level flight when the quantity of fuel = unusable
63
High powered piston engine, fuel flow measured from fuel pump and carburetor Turbine powered, fuel flow based on fuels mass.
64
Measurement of pressure drop across fuel injector nozzles
65
.5 to .8 psi
66
Maintains positive fuel pressure on the inlet side of the engine driven fuel pump
67
Mass of the fuel, in lbs. fuel consumed by mass
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11問 • 2年前問題一覧
1
Fractional distillation
2
Cracking or “cracked”
3
Avgas that vaporizes too quickly can evaporate in the fuel line causing “vapour lock” which can lead to engine stoppage
4
The required pressure above the liquid to prevent vapour from escaping at a given temperature
5
Excessive temperature or excessive pressure in the cylinder
6
The less resistant the fuel is to ignition or detonation
7
The heaviness of a volume of substance compared to an equal volume of water
8
A measure of the fuels ability to flow
9
Avgas
10
A measure of the fuels ability to change from a liquid into vapour. Critical to engines performance.
11
The lowest temperature at which the fuel can vaporize to form an ignitable mixture in the air. Avgas has lowest flashpoint, extremely flammable
12
Fuel tanks, fuel trucks, fuel pumps, fuel valves, filler cap
13
1. Avgas 80 (red, 80/87, phased out in 1980s 2. Avgas 100 (green, 100/130, used in high performance engines 3. Avgas 100LL (blue, most common used in aviation
14
Octane level
15
True
16
Avgas 100LL
17
Tetraethyl Lead, ethylene bromide
18
Octane or Anti-Knock
19
Detonation, due to using a low octane fuel at a higher temperature it will knock
20
Freeze point
21
•Jet A ( colourless/ straw coloured, mixture of kerosene and naphtha, Low flash point) • Jet A-1 ( colourless or straw coloured, available worldwide, same flash point as Jet A, freeze point -47 •Jet B (colourless/ straw colour, low flash point and freeze point for cold weather conditions.
22
Wide cut
23
Colder climates, freezing point lower than jet A
24
Colourless or straw colour
25
Easier handling properties, high flash point. Higher flash and freezing point
26
•JP-4 is military equivalent of Jet 8, additional corrosive inhibitor and anti-icing additives •JP-5 same spec as JP-4, higher flash point •JP-8 military equivalent of Jet A-1.
27
Ullage
28
1. Connect dispensing unit to ground 2. Connect aircraft to ground 3. Grounding cable connected from fuel truck to aircraft
29
1. Aircraft in flight 2. Rapid flow of fuel through a pipe or filter, or the splashing of fuel in thank during fuelling 3. Fuel truck builds static as it drives
30
Viscosity (determines ability to hold contaminates)
31
Before aircraft fuelling, fuel storage tank must be checked for water contamination
32
Excess water that cannot dissolve called “free water” •appears as a water slug or entrained water droplets
33
No
34
“Water detecting paste”or “vegetable dye”
35
Red
36
Engine failure / stoppage, icing in aircraft systems
37
Viscosity of fuel determines its ability to hold contaminants. Jet fuel has higher viscosity and retains contaminants
38
Viscosity and microbial growth
39
Surface active agent, consists of soap or detergent like materials in the fuel. Naturally occurring
40
A common anti-icing fuel additive, prevents microbial growth
41
Ensure aircraft is outdoors, ground truck, plane, plane-truck
42
The process of draining the tanks by opening the drain valves of the aircraft fuel system. Very dangerous due to static buildup
43
Fueling aircraft must be 50 feet from hangar or buildings, no smoking or fire hazards or spark hazards near fuelling area
44
Yes. Only within planes from same organization
45
ATA chapter 28
46
ATA 73
47
Gravity feed, pressure feed
48
Pressure feed systems
49
Supplies fuel pressure to the carburetor, should the engine driven pump fail
50
Welded/ riveted Wet wing or integral Bladder type
51
Filler cap, vented and non-vented fuel cap.
52
To provide a slight positive pressure in the fuel tank during flight
53
Can cause “siphoning of fuel from the tank” due to low pressure airflow
54
Fuel caps have placards and the use of restricted opening to prevent different fuel nozzles from not fitting if incorrect to required fuel
55
•Rigid, (copper, aluminum, stainless steel) •Flexible (synthetic rubber, Teflon)
56
Fittings should be tightened to manufactures recommended torque values
57
Located and installed at the lowest part of the system
58
Coarse filter between fuel tank and fuel pump Fine mesh filter between fuel pump and fuel control system
59
Water condenses out of jet fuel with changes in temperature. At high altitudes the water will freeze after it condenses from the fuel.
60
1. Using fuel heat valve to use warm engine bleed air into the fuel heater. 2. Using heated engine oil
61
Compensator allows for changes in fuel temperature (density).
62
Each fuel quantity indicator must read “zero” during level flight when the quantity of fuel = unusable
63
High powered piston engine, fuel flow measured from fuel pump and carburetor Turbine powered, fuel flow based on fuels mass.
64
Measurement of pressure drop across fuel injector nozzles
65
.5 to .8 psi
66
Maintains positive fuel pressure on the inlet side of the engine driven fuel pump
67
Mass of the fuel, in lbs. fuel consumed by mass