The illustrated device is used to __________. Illustration MO-0050
Official USCG Answer & Rule Citation
Correct Answer: Option A — supply cylinder lubricating oil to the engine
Mechanical lubricator pumps driven by the engine camshaft accurately meter and time high-pressure cylinder oil injections to the cylinder wall contact points.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.