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Aircraft Engine Fuel System Components

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Questions and Answers

Where are the engine fuel components located?

On the accessory drive gearbox (correct)
On the right fan case
On the P5 panel
On the core engine

Which panel displays the Power Management Control for the engine fuel system?

P5, engine panel
P2
P2, primary engine display unit
P5, fuel control panel (correct)

What is one of the indications displayed on the P2 panel for the engine fuel system?

Flowmeter rate (correct)
Engine low idle
Power management control
Fuel filter bypass

How many fuel nozzles are located on the core engine?

20 (A) Signup and view all the answers

What is the main purpose of the engine fuel system?

Delivering fuel to the engine nozzles (B) Signup and view all the answers

What is the primary purpose of the fuel filter differential pressure switch?

To monitor the pressure drop across the fuel filter and provide an indication of filter clogging (C) Signup and view all the answers

Where is the fuel filter differential pressure switch physically located?

On the lower left side of the fan case (A) Signup and view all the answers

What is the purpose of the variable stator vanes and variable bleed valve systems mentioned in the text?

To maintain steady state speeds, acceleration and deceleration within stall and temperature limits (D) Signup and view all the answers

What is the purpose of the fuel/oil heat exchanger mentioned in the text?

To transfer heat from the hot oil to the fuel, warming the fuel (A) Signup and view all the answers

What is the purpose of the bypass fuel flow in the fuel delivery system?

To return excess fuel flow to the outlet of the fuel pump low pressure stage (A) Signup and view all the answers

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