On U.S. inspected ships, oily water separating equipment, bilge alarms, and bilge monitors must be approved under __________.

Correct Answer: Option D — 46 CFR 162

Title 46 Code of Federal Regulations (CFR) Subpart 162 contains the specific engineering design, construction, and performance approval standards for pollution prevention equipment, including oily water separators, bilge alarms, and continuous bilge monitors installed on inspected vessels.