When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — air from contacting the oil vapors permitting reignition
Under USCG National Maritime Center examination standards, the accepted correct answer is: air from contacting the oil vapors permitting reignition.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.