A well-lubricated bearing surface always appears __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — highly polished
A properly lubricated, healthy bearing operating under clean hydrodynamic film conditions develops a smooth, highly polished surface free from scoring, wiping, or excessive wear patterns.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.