Oral Flashcards
How is a fuel leak indicated on a reciprocating engine powered aircraft?
The dye in a gasoline stains the area around the tank.
What must be done after a fuel valve is replaced?
The fuel System must be checked for leaks.
What must be done before a fuel selector valve can be removed from an aircraft?
The tank to which the valve is connected must be drained or otherwise isolated.
Why must an aircraft fuel valve have a detent in its operating mechanism?
The detent gives the pilot a positive indication by feel when the selector valve is in the full ON and full OFF position.
What must be done if the sump drains shows traces of jet fuel?
The fuel System must be drained and flushed out with the proper grade of aviation gasoline.
How can you detect her fuel in the sample taken from the tank sump drains?
Jet fuel is basically clear and it has an odor similar to kerosene.
What color is geade 100-LL fuel?
Blue
How does water appear in the fuel drained from the tank sumps?
Water appears as a clear globule in the bottom of the container used to collect the fuel drained from the sumps.
Is the procedure of draining the sumps with the aircraft in the ground attitude an assurance that all of the water is removed from the tanks?
No, same require special procedures to remove all of the water. Refer to the aircrafts Manuel or pilots operating handbook.
Why is it important to drain all of the fuel sumps before the first flight of the day?
Water can condense in the fuel tank and it must be drained out before the aircraft is safe for flight.
What must be done after a fuel System strainer has been cleaned or replaced?
The System must be tested for leaks by pressurizing the System with the boost pump, if one is used.
Why do the fuel strainer used on some turbine engine aircraft have a warning device that signals the flight crew when the strainer is beginning to clog up?
Strainers clog because Ice forms on the filter element. The flight crew can route the fuel through a fuel heater to melt the ice
Where are fuel systems strainers located ?
One strainer is located in the outlet of the tank, and the main strainer is located in the fuel line between the outlet of the fuel tank and the inlet to the fuel metering device.
When must the fuel quantity indicating system indicate zero?
During level flight when the fuel in the tank is equal to the unusable fuel supply.
Where can you find the correct part number for the fuel quantity sensor to be installed in an aircraft fuel tank?
IPC
