Troubleshooting & Indicating
What would give the first positive indication that a change over from one fuel tank to another is needed?
What is the fuel pressure warning.
To prevent vapor lock in fuel lines at high altitude, some aircraft are equipped with what?
What are booster pumps.
A probe or a series of probes is used in what kind of fuel quantity indicating system?
What is capacitor
What is the primary purpose of the crossfeed system?
What is to allow the feeding of any engine from any tank.
When installing a rigid fuel line, 1/2 inch in diameter, at what intervals should the line be supported?
What is 16 inches.
The presence of fuel stains around a fuel nozzle would indicate what?
What is clogged fuel nozzle.
In some aircraft with several fuel tanks, the possible danger of allowing the fuel supply in one tank to become exhausted before the selector valve is switched to another tank is prevented by the installation of what?
What is a fuel pressure warning system.
A drip gauge may be used to measure what?
What is the amount of fuel in the tank.
In an electronic type fuel quantity indicating system, the tank sensing unit is a what?
What is a capacitor.
If a bladder-type fuel tank is to be left empty for an extended period of time, the inside of the tank should be coated with a film of what?
What is engine oil.
A fuel temperature indicator is located in the fuel tanks on some turbine powered airplanes to tell when the fuel may be what?
What is in danger of forming ice crystals.
What minimum required markings must be placed on or near each appropriate fuel filler cover on utility category aircraft?
What is the word “Avgas” and the minimum fuel grade.
What must each fuel quantity indicator be calibrated to read during level flight when the quantity of fuel remaining is equal to the unusable fuel supply?
What is zero (0).
What is the purpose of a float operated transmitter installed in a fuel tank?
What is it sends an electric signal to the fuel quantity indicator.
When defueling an aircraft, the operation should be conducted where?
What always outside the hangar in open air where there is good ventilation.
What unit would be adjusted to change the fuel pressure warning limits?
What is the pressure sensitive mechanism.
Why are jet fuels more susceptible to water contamination than aviation gasoline?
What is because jet fuel has a higher viscosity than gasoline.
The density of aircraft fuel varies with its temperature. The more _____ the fuel, the more pounds of fuel there are in a gallon?
What is colder.
This system has many advantages over a conventional carburetor system. There is less danger of induction system icing, since the drop in temperature due to fuel vaporization takes place in or near the cylinder.
What is the fuel-injection system.
Aircraft pressure fueling systems instructional procedures are normally placarded on the what?
What is fuel control panel access door.
Which aircraft fuel quantity indicating system incorporates a signal amplifier?
What is electronic.
Why is it necessary to vent all aircraft fuel tanks?
What is to limit pressure differential between the tank and atmosphere.
A digital fuel totalizer automatically indicates the amount of fuel used, fuel remaining, current rate of consumption, and what in regards to fuel?
What is weight aboard at takeoff.
The electronic-type fuel quantity indicating system consists of a bridge circuit, an amplifier, an indicator, and what?
What is a tank unit.
When routing a fuel line between two rigidly mounted fittings the line should have at least one what between such fittings?
What is bend.