Engine Fuel and Fuel Metering Systems
Maximum power is normally considered to be developed in a reciprocating engine with a air-fuel mixture ratio of approximately what?
What is 1:12
Propellers exposed to salt spray should be flushed with what?
What is fresh water.
A turbine engine hot section is particularly susceptible to which kind of damage?
What is cracking
At what RPM is a reciprocating engine ignition switch check made?
What is the slowest possible RPM
In order to relieve excessive pump pressure in an engine's internal oil system, most engines are equipped with a what?
What is a relief valve.
When an electric primer is used, fuel pressure is built up by the what?
What is booster pump.
What operational force tends to increase propeller blade angle?
What is aerodynamic twisting force.
What turbine engine section provides for proper mixing of the fuel and air?
What is the combustion section
The type of ignition system used on most turbine aircraft engines is what?
What is capacitor discharge
If the oil in the oil cooler core and annular jacket becomes congealed, what unit prevents damage to the cooler?
What is the surge protection valve.
What component is used to ensure fuel delivery during periods of rapid engine acceleration?
What is the Acceleration pump.
How is anti-icing fluid ejected from the slinger ring on a propeller?
What is by centrifugal force.
An APU is usually rotated during start by what?
What is an electric starter
The electrical circuit from the spark plug back to the magneto is completed by grounding through the what?
What is engine structure
Where is the oil temperature bulb located on a dry sump reciprocating engine?
What is the oil inlet line
Which type of pump is commonly used as a fuel pump on reciprocating engines?
What is vane.
Flyweights on constant-speed propellers are generally used to aid in what?
What is increasing blade angle.
Continued and/or excessive heat and centrifugal force on turbine engine rotor blades is likely to cause what?
What is creep
In a low-tension ignition system, each spark plug requires an individual what?
What is secondary coil.
The time in seconds required for exactly 60 cubic centimeters of oil to flow through an accurately calibrated orifice at a specific temperature is recorded as a measurement of the oil's what?
What is viscosity
What carburetor component limits the maximum airflow into the engine at full throttle?
What is Venturi
The actual distance a propeller moves forward through the air during one revolution is known as the what?
What is effective pitch.
In what section of a turbojet engine is the jet nozzle located?
What is the exhaust
How many secondary coils are required in a low-tension ignition system on an 18- cylinder engine?
What is 36
Where are sludge chambers, when used in aircraft engine lubrication systems, usually located?
What is in the crankshaft throws