Engine General (Supplementary) USCG Question #1355 (Set 25)

A hydraulic fluid flow control circuit, controlling linear actuator speed, with the pump operating below maximum operating pressure is known as the __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — bleed-off circuit

Bleed-off circuits control actuator speed by bypassing excess pump flow directly to the reservoir. This configuration is highly efficient for systems operating below maximum pressure because it reduces heat generation and power loss compared to metering circuits, which force all fluid through a restrictive valve at full system pressure.

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