SFAR
Fuel Safety and Regulations Quiz
Test your knowledge on fuel safety, regulations, and environmental protocols with our comprehensive quiz designed for aviation professionals and enthusiasts. This quiz covers a range of crucial topics, from flammability to regulatory standards, ensuring a deep understanding of safe practices in fuel management.
Key areas covered include:
- Fuel Characteristics
- Regulatory Compliance
- Safety Measures
- Environmental Awareness
Commands the NGS shutoff valve and the over – temperature shutoff valve to close. Uses system pressure and voltage to control the NGS shutoff valve
NGS – CONTROLLER
NGS – COMPUTER
Inform tank rescue crew/ access through openings in anti rolling walls or tank chambers
Cat 1
Cat 2
Cat 3
Cat 4
CDCCL means?
Critical Design Configuration Control Limitations
Critical Design Computer Control Limitations
Computer Design Configuration Control Limitations
You must wear a personal respirator if the kerosene gas concentration is at?
Lesser than or Equal to 70 ppm
Greater than or Equal to 70 ppm
Must be to 70 ppm
FRS stands for?
Fire Reduction System
Flammability Rapid System
Flammability Reduction System
SFAR stands for?
Special Federal Aviation Regulations
Specific Federal Aviation Regulations
Specifications Federal Aviation Regulations
NGS stands for?
Noble Generation System
Nitrogen Generation System
Non-Destructive Generation System
Time limit required for each fuel tank entry?
20 minutes
30 minutes
40 minutes
Which element of air does the ASM filters out?
- Oxygen - CO2 - Other elements
- Oxygen - Nitrogen - Other elements
-Nitrogen - CO2 - Other elements
Factor which affects the freezing point and flash point?
Pressure
Temperature
Both
Is the ratio of mass and volume?
Pressure
Force
Density
Same density of 0.81 kg/L at 15 deg cel.
Jet A1 and Jet A
Jet A1 and Jet B
Jet A and Jet B
Sources of Flammability
Temperature, Fuel, Air
Ignition Source, Fuel, Air
Oxygen, Heat, Combustion
Avoidance of the explosion hazard by nitrogen inserting
Flammable Reduction System
Fire Reduction System
Flammability Rapid System
The ability of fuel to evaporate?
Viscosity
Condensation
Volatility
NTSB stands for?
National Transportation Safety Board
National Transport Safety Board
National Transportation Specification Board
True or False: Fuels have high tendency to vaporize in high altitude
No (because there is decrease of ambient pressure in high altitude)
Yes (because there is increase of ambient pressure in high altitude)
Yes (because there is decrease of ambient pressure in high altitude)
Sudden change of Pressure happens at?
During cruising
Ascending
Descending
In which phase of flight does the high flow mode operates?
During cruising
Descent
Ascending
According to ____, Operators must train their maintenance and engineering personnel regarding the changes brought about by SFAR 88
EASA ED Decision No 2008/007/R
EASA ED Decision No 2009/017/R
EASA ED Decision No 2009/007/R
The aircraft fuel tank is fire-proof and safe from explosions when the kerosene gas concentration is at?
600 ppm (10% of LEL)
6000 ppm (10% of LEL)
600 ppm (100% of LEL)
Lowest temperature in which fuel emits enough vapor to ignite?
Ignition Point
Flash Point
Flammable Mixture consists of?
Fuel and Heat
Fuel, Heat and Air
Fuel and Air
Flash Point?
LOW TEMP + Fuel and Air Mixture
HIGH TEMP + Fuel and Air Mixture
This is the point of temperature where the fuel crystallizes
Flash Point
Freezing Point
Volatility
Which temperature will be the first one to crystallize?
-40
-45
-35
Ideal temperature for freezing point of fuel?
-42
-38
-45
This is inversely proportional to ambient pressure but directly proportional to altitude?
Flash point
Volatility
Freezing Point
What will happen if we don't comply with SFAR88?
Suspension of COA
Suspension of AMO
Suspension of AML
In fuel characteristics, density is affected by?
Pressure
Temperature
Both
What section will you find the FRS?
Section 9
Section 09 in AMM
Section 09 in MPD
Select the the applicable fuel characteristics?
Hygroscopic, Volatility, Flash and Freezing Point, Lubrication
Density, Hygroscopic, Available Worldwide
Lubrication Properties, Available all over the world, Volatility
What do you mean high flammability?
Lowest temperature where it can ignite
Highest temperature where it can ignite
The flammabilty mixture is safe for handling during ground
ATR uses fuse adapters and current limiter? Which one is true?
Fuse Adapters - External and Current Limiter for Internal use.
Fuse Adapters - Internal and Current Limiter for External use.
Neither of them
What is the lowest freezing point?
-40 C
-48 C
-60 C
What is highest freezing point?
-40 C
-48 C
-60 C
What is highest freezing point?
Jet A
Jet A1
Jet B
What is the lowest freezing point?
Jet A
Jet B
JP5
What is the common fuel used in Europe?
Jet A1
Jet A
Jet B
What is the common fuel used in America?
Jet A1 and Jet A
Jet A
Jet B
Features of the fuel system design which integrity must be maintained to ensure that unsafe condition do not develop.
Fuel Feed & Distribution System
SFAR 88
CDCCL
Required a Safety Review of the Aircraft Fuel Tank System to determine that the design meets the requirement of FAR 25.901 and 25.981 a & b
Fuel Feed & Distribution System
SFAR 88
CDCCL
The main requirements of turbine engine fuels are
Lowest freezing point and high flash point
Highest freezing point and lowest flash point
Lowest freezing point and high volatility
Generally accelerate corrosion of terminals
Mircroballoons
Moisture
High Vibration
This prevents oxygen enrichment of the fuel tanks. (High flammability to low flammabilty)
CDCCL
SFAR 88
FRS
If uncertainties arise, what you should do?
Be assertive
Don't assume
Both
Can accelerate degradation, insulation dryness, and cracking
Moisture
Heat
High Vibration
Most dangerous, deadliest in fuel and inhalation can make you ill or even unconscious
Corrosion
Viscosity
Fuel Vapor
Destroys the protective film on your skin and eye
Fuel Vapor
Fuel Contact
Moisture
Not safe to enter the fuel tank is at what level?
10% LEL
70 ppm
6000 ppm
Which is not true?
It is allowed for the employees enter fuel tanks on 2 running days
Employees should not enter the fuel tank on more than 6 days each month
Wait al least 30 minutes before entering the fuel tank again
Ventilation is one of the most important things to have if you are going to do a job inside an aircraft fuel tank or at the fuel system, what is the required minimum open manhole covers?
1
3
2
Individual Safety Precautions
Do wear NYLON, RAYON, SILK or WOOL
Do not wear 100% Cotton
Do wear 100% Cotton
Do wear 100% COTTON, NYLON, RAYON, SILK or WOOL
Green Light
Degraded
Operational
INOP/Inoperative
Blue Light
Degraded
Operational
INOP/Inoperative
Amber Light
Degraded
Operational
INOP/Inoperative
Insufficient access to allow first aid to be given to an injured person
Cat 1
Cat 2
Cat 3
Cat 4
Not fully accessible because of small size, can’t walk inside the tank
Cat 1
Cat 2
Cat 3
Cat 4
Fully accessible, you can walk around
Cat 1
Cat 2
Cat 3
Cat 4
Heavier than air and concentrate at the lowest point, flammable and flashpoint is between +38°C and +42°C, oudor threshold is 3 ppm and LEL/ Lower Explosion Limit is 6000 ppm
Aviation Gas
Diesel
Kerosene
Bonding equalized charges between components, what material should not be used?
Aluminum
Magnesium
Titanium
Mandatory outside of the pressurized cabin, that reduces the total resistance of the grounding and increase reliability.
Bonding Leads
Grounding
Double Grounding
Which is not true in preparation in refueling and defueling?
Stop & do not operate fuel tanker 60 meters from A/C nose during weather radar operation .
Do not refuel within 30 meters while testing radar of HF radio equipment
NO SMOKING notices should be placed at least 15 m around the refuel/defuel area.
Do wear NYLON, RAYON, SILK or WOOL
What is the Lower Explosion Limit of fuel tank?
6000 ppm
10%
600 ppm
Causes of Wiring Degradation
High Temperature, Moisture, Heat, Chemical Contamination
High Vibration, Moisture, Heat, Chemical Contamination
High Vibration, Moisture, Heat, High Temperature, Chemical Contamination
Is the elimination of all the sources which create or support a fire.
Personnel Safety
Fire Extinguisher
Fire Prevention
Troubleshoot the nitrogen generation system components
BDU/ BITE Display Unit
Dielectric Isolator Hose
Wielded into the vent tube in the left check of the center tank
Flame Arrestor
Ejector Nozzle
Dielectric Isolator Hose
An In line honeycomb unit, and gives protection against lightning caused by ignition
Ejector Nozzle
Dielectric Isolator Hose
Flame Arrestor
Gives protection to the center tank from electrostatic discharge and lightning strikes
Dielectric Isolator Hose
Ejector Nozzle
Flame Arrestor
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