Depressing the APU PWR FUEL switch light indicates which action occurs?

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Multiple Choice

Depressing the APU PWR FUEL switch light indicates which action occurs?

Explanation:
Depressing the APU PWR/FUEL switch light triggers the APU fuel shutoff valve to open, enabling fuel to flow to the APU. The illuminated light confirms that the valve is open and fuel supply is established, allowing the APU to start or continue running. This action is strictly about delivering fuel to the APU, not about doors, instruments, or other systems, which is why the other options don’t apply.

Depressing the APU PWR/FUEL switch light triggers the APU fuel shutoff valve to open, enabling fuel to flow to the APU. The illuminated light confirms that the valve is open and fuel supply is established, allowing the APU to start or continue running. This action is strictly about delivering fuel to the APU, not about doors, instruments, or other systems, which is why the other options don’t apply.

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