FUEL METERING SYSTEMS
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| Where does the fuel metering system of a turbine engine discharge its fuel? | show 🗑
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| What is adjusted when the fuel control unit of a turbine engine is trimmed? | show 🗑
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| What are two locations water may be injected into a turbine engine? | show 🗑
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| What is meant by a duplex nozzle in a turbine engine fuel metering system? | show 🗑
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| show | The float carburetor's function is to measure airflow through the engine induction system and measure out the appropriate amount of gasoline into the air for all engine operating perimeters and conditions.
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| show | If the mixture is not adjusted, it will become richer as the aircraft gains in altitude.
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| show | The mixture becomes richer when carburetor heat is applied.
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| What would happen to the fuel-air mixture ratio in a float carburetor if the main air bleed were to become plugged? | show 🗑
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| How does the automatic mixture control in a pressure carburetor keep the fuel-air mixture constant as the aircraft changes altitude? | show 🗑
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| What are two purposes of the manifold valve (or flow divider) in the fuel injection system of a horizontally opposed aircraft engine? | show 🗑
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| How does the mixture control change the fuel-air mixture ratio on the Teledyne-Continental fuel injection system? | show 🗑
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| show | Soaking the diaphragms of a pressure carburetor restores them to the condition of flexibility that they had when the carburetor was calibrated.
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| show | Hydropneumatic and electro-hydromechanical.
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| How does the exhaust gas temperature of a reciprocating engine tell anything about the fuel-air mixture being burned by the engine? | show 🗑
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| What two things are adjusted when adjusting the idling of a reciprocating engine? | show 🗑
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| What is controlled by the adjustment of the orifice in the fuel pump of a Teledyne-Continental fuel injection system? | show 🗑
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| What is the significance of the letters that are stamped on the flats of a fuel injection nozzle? | show 🗑
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| What is the function of the derichment valve in a pressure carburetor used on an aircraft engine with an antidetonation injection system? | show 🗑
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| What is the function of the economizer system in an aircraft engine carburetor? | show 🗑
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| show | In the Idle Cutoff position. The engine is started with fuel from the primer system.
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| show | In the Cold position.
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| show | By shutting off the fuel to the cylinders, the combustion chambers are left full of air with no fuel. This makes the engine less likely to fire if the propeller is pulled through with the ignition switch accidentally on.
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| show | It is discharged through injector nozzles screwed into the cylinder heads near the intake valves.
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| show | If the wind velocity is less than 10 miles per hour, it can be faced in any direction. If the wind velocity is between 10 and 25 MPH, it should be trimmed facing into the wind. The engine should not be trimmed when the wind velocity is more than 25 MPH.
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| What engine parameters are sensed by the fuel control unit of a turbine engine? | show 🗑
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| show | When the throttle is suddenly opened.
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