If more than what psi is observed, fuel flow is restricted?

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Prepare for the 92F Petroleum Supply Specialist Test. Utilize flashcards and multiple-choice questions, complete with hints and explanations. Ace your exam now!

Multiple Choice

If more than what psi is observed, fuel flow is restricted?

Explanation:
A larger pressure difference across a fuel filter shows how freely fuel can flow. When the filter starts to clog, resistance to flow increases, so the upstream pressure rises while downstream pressure falls. Maintenance guidance sets a maximum allowable delta P; when you observe more than 15 psi across the fuel filter, fuel flow is restricted and the filter should be replaced to restore proper fuel delivery.

A larger pressure difference across a fuel filter shows how freely fuel can flow. When the filter starts to clog, resistance to flow increases, so the upstream pressure rises while downstream pressure falls. Maintenance guidance sets a maximum allowable delta P; when you observe more than 15 psi across the fuel filter, fuel flow is restricted and the filter should be replaced to restore proper fuel delivery.

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