What statement is true concerning the polishing coalescer filter of an oily-water separator?

Correct Answer: Option D — The coalescing filter is typically an oleophilic filter meaning that small droplets of entrained oil of the oily-water mixture coalesce on the filter and form large globules of oil that rise to the top of the filter housing.

Under USCG National Maritime Center examination standards, the accepted correct answer is: The coalescing filter is typically an oleophilic filter meaning that small droplets of entrained oil of the oily-water mixture coalesce on the filter and form large globules of oil that rise to the top of the filter housing..