Engine General (Supplementary) USCG Question #684 (Set 12)

The purpose of a restrictor valve, as it is used in a hydraulic hatch cover system, is to __________.

Official USCG Answer & Rule Citation

Correct Answer: Option D — control the speed of the hatch cover movement while closing

Under USCG National Maritime Center examination standards, the accepted correct answer is: control the speed of the hatch cover movement while closing.

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