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Aircraft Fuel System: Fuel Heater Operation

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Aircraft Fuel System: Fuel Heater Operation

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Questions and Answers

What is the primary function of the fuel heater?

To warm the fuel to a predetermined temperature (correct)
To mix fuel with air
To regulate the flow of fuel into the engine
To cool the fuel

What is used to sense the fuel temperature?

A temperature sensor as the fuel leaves the fuel heater (correct)
A temperature sensor in the fuel cooled oil cooler
A temperature sensor in the engine
A temperature sensor in the fuel heater

What is the purpose of the valve in the fuel heater system?

To regulate the flow of compressor bleed air into the engine
To regulate the flow of fuel into the engine
To regulate the flow of hot air into the fuel heater (correct)
To regulate the flow of cooled oil into the fuel heater

Where is the fuel temperature indicated?

On the flight deck (C) Signup and view all the answers

What is the purpose of the automatic temperature control?

To open or close the valve which regulates the entry of hot air into the fuel heater (A) Signup and view all the answers

What is the primary function of the low pressure fuel filter?

To protect the fuel control unit and high pressure fuel pump from dirt and contamination (A) Signup and view all the answers

What is the smallest particle size that the low pressure fuel filter can filter out?

50 microns (C) Signup and view all the answers

What is the unit of measurement for the fuel flow rate in the fuel flowmeter?

Gallons per hour (B) Signup and view all the answers

What is the purpose of the integrating system in the fuel flowmeter?

To add the total amount of fuel used (B) Signup and view all the answers

What is the type of filter element used in the low pressure fuel filter?

Replaceable paper (B) Signup and view all the answers