ASA Aircraft Fuel sys Questions and Answers Already Passed
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ASA Aircraft Fuel sys
Institution
ASA Aircraft Fuel Sys
ASA Aircraft Fuel sys Questions and
Answers Already Passed
What is the primary function of an aircraft's fuel system?
To supply fuel to the engine(s) under all conditions of operation.
What is the purpose of a fuel pump in an aircraft fuel system?
It ensures a consistent flow of fuel t...
ASA Aircraft Fuel sys Questions and
Answers Already Passed
What is the primary function of an aircraft's fuel system?
✔✔ To supply fuel to the engine(s) under all conditions of operation.
What is the purpose of a fuel pump in an aircraft fuel system?
✔✔ It ensures a consistent flow of fuel to the engine, especially at high altitudes or during
certain maneuvers.
Why is it important to check for water contamination in an aircraft's fuel?
✔✔ Water in the fuel can cause engine malfunction or failure, particularly at higher altitudes
where it may freeze.
Where is the fuel selector valve typically located in an aircraft?
✔✔ In the cockpit, usually on the center console or side panel, for easy access by the pilot.
What is the purpose of fuel venting in an aircraft?
1
,✔✔ To prevent the fuel tank from becoming pressurized or creating a vacuum as fuel is used or
as the aircraft climbs to higher altitudes.
Why is fuel system redundancy critical in multi-engine aircraft?
✔✔ It ensures that each engine can operate independently, providing an additional layer of
safety in case of fuel system failure in one engine.
What can cause vapor lock in an aircraft fuel system, and why is it dangerous?
✔✔ Vapor lock can occur due to high temperatures, which cause fuel to vaporize before
reaching the engine. This can disrupt fuel flow and lead to engine failure.
Why must fuel lines be kept away from high-temperature areas in the aircraft?
✔✔ To prevent fuel from vaporizing or causing a fire hazard due to heat exposure.
What are the common signs of fuel starvation in an aircraft engine?
✔✔ Engine sputtering, loss of power, or complete engine failure are typical signs of fuel
starvation.
How does the fuel quantity gauge in most light aircraft work?
2
, ✔✔ It uses a float mechanism in the fuel tank to measure and display the fuel level to the pilot.
What is the primary risk of using aviation fuel with a lower octane rating than specified?
✔✔ It can cause engine knocking, pre-ignition, or damage to the engine due to improper
combustion.
Why should fuel samples be taken from the lowest point of the fuel tank during pre-flight
checks?
✔✔ Water and contaminants settle at the lowest point, and taking samples from here helps
ensure that the fuel is clean and safe for use.
What is the purpose of fuel strainers in an aircraft's fuel system?
✔✔ To filter out debris and contaminants from the fuel before it reaches the engine.
Why is it necessary to drain fuel from an aircraft’s tanks after refueling?
✔✔ To remove any potential water or contaminants that may have entered the fuel system
during refueling.
What can cause a fuel imbalance in an aircraft, and why is it dangerous?
3
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