As shown in the illustration, which of the following conditions would be responsible for a "low pressure in oil outlet" alarm to be indicated? MO-0127

USCG Exam Illustration MO-0127
USCG Examination Diagram: Illustration MO-0127
Official USCG Answer & Rule Citation

Correct Answer: Option B — Throughput too low

Purifier discharge pressure depends on adequate volumetric flow rate. Insufficient throughput reduces the dynamic back pressure maintained by the discharge regulating arrangement, directly triggering a low pressure alarm in the oil outlet line during continuous operation.

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