The color of 100LL is?
JUST LIKE A SMURF!!!
BLUE!!!
Where is the main fuel strainer located in the aircraft fuel system?
At the lowest point in the fuel system
During what period does the fuel pump bypass valve open and remain open?
When the boost pump pressure is greater than the fuel pump pressure
The probe of a capacitance-type fuel lever gauge is essentially a
A capacitor with fuel and air acting as a dielectric.
What is the dielectric (nonconducting material) in a capacitance-type fuel quantity indicating system?
Outer shell of the capacitor.
How are aviation fuels, which possess greater anti-knock qualities than 100 octane classified?
By performance numbers
Fuel system components must be bonded and grounded in order to?
Drain off static charges
Which type of pump is commonly used as a fuel pump on reciprocating engines?
Vane
An electrical type fuel quantity indicating system consists of an indicator in the flight compartment and a float
In the tank that moves a connecting arm to the wiper on a variable resistor in the tank
Fuel pressure produced by the engine-driven fuel pump is adjusted by the
Relief valve adjusting screw
Why is ethylene dibromide added to aviation gasoline?
To scavenge lead oxide from the cylinder combustion chamber.
Fuel lines are kept away from sources of heat and sharp bends and steep rises are avoided to reduce the possibility of?
Vapor Lock
The fuel pump relief valve directs excess fuel to the?
Inlet side of the pump
One advantage of electrical and electronic fuel quantity indicating systems is that the indicator?
can be located any distance from the tank(s).
A fuel that does not vaporize readily enough can cause?
Hard Starting
A fuel that vaporizes too readily may cause?
Vapor Lock
FAA regulations require the fuel flow rate for gravity systems (main and reserve) to be?
150% of the takeoff fuel consumption of the engine
When an electric primer is used, fuel pressure is built up by the?
Internal pump in the primer solenoid
A capacitance-type fuel quantity indicating system measures fuel in
pounds.
What is the minimum distance allowed between a fuel tank and the fire wall separating the engine?
One half inch
What must accompany fuel vaporization?
The absorption of heat
Where physical separation of the fuel lines from electrical wiring or conduit is impractical, locate the fuel line?
Below the wiring and clamp the line securely to the airframe structure
What is the purpose of an engine-driven fuel pump bypass valve?
To prevent a damage or inoperative pump from blocking fuel flow of another pump is series with it
What are the four general types of fuel quantity gauges? 1. Sight glass. 2. Mechanical. 3. Electrical. 4. Electronic. 5. Bourdon tube. 6. Vane-type transmitter. 7. Litmus indicator. 8. Direct-reading static pressure type.
1, 2, 3, 4.
Which unit most accurately indicates fuel consumption of a reciprocating engine?
Fuel flowmeter.