Which fuel tank normally supplies the APU?

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Study for the A320 Systems Test. Test your understanding with interactive questions and expert explanations. Prepare thoroughly for your examination!

Multiple Choice

Which fuel tank normally supplies the APU?

Explanation:
The APU’s fuel supply is taken from the left wing tank. It has a dedicated APU fuel pump connected to the left tank, providing a reliable feed for starting and running the APU. A crossfeed arrangement can allow drawing from the center tank if needed, but in normal operation the left wing tank is the primary source. This setup keeps engine fuel flows independent during APU use and ensures the APU has a steady supply.

The APU’s fuel supply is taken from the left wing tank. It has a dedicated APU fuel pump connected to the left tank, providing a reliable feed for starting and running the APU. A crossfeed arrangement can allow drawing from the center tank if needed, but in normal operation the left wing tank is the primary source. This setup keeps engine fuel flows independent during APU use and ensures the APU has a steady supply.

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