Where are the prime fuel pumps located?

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Multiple Choice

Where are the prime fuel pumps located?

Explanation:
Prime fuel pumps are installed in the supply tanks because their job is to push fuel from the source into the engine feed system to prime and start the engine. Being inside the supply tank places the pump right at the source, ensuring fast, positive fuel delivery to the lines and helping purge air before startup. This setup makes it easier for the engine-driven pumps to take over smoothly once the engine starts. Other tanks like aft or main tanks are primarily storage or ballast, not dedicated to priming, and a general label such as fuel tanks is too vague for this function.

Prime fuel pumps are installed in the supply tanks because their job is to push fuel from the source into the engine feed system to prime and start the engine. Being inside the supply tank places the pump right at the source, ensuring fast, positive fuel delivery to the lines and helping purge air before startup. This setup makes it easier for the engine-driven pumps to take over smoothly once the engine starts. Other tanks like aft or main tanks are primarily storage or ballast, not dedicated to priming, and a general label such as fuel tanks is too vague for this function.

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