Engine General (Supplementary) USCG Question #674 (Set 12)

A hydraulic system flow-control circuit is shown in the illustration and is known as a __________. GS-0105

USCG Exam Illustration GS-0105
USCG Examination Diagram: Illustration GS-0105
Official USCG Answer & Rule Citation

Correct Answer: Option B — metered-in circuit

A metered-in circuit controls the speed of an actuator by regulating the flow of hydraulic fluid entering the cylinder. By placing the flow control valve on the supply side, the system ensures precise speed regulation regardless of the load, a standard practice in marine hydraulic auxiliary control systems.

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