Regulation 23 Accidental Oil Outflow Quiz Set B

Source: International Convention for the Prevention of Pollution from Ships (MARPOL), Annex I, Regulation 23.
Reference: imorules.com – Regulation 23

10. Lines of piping running through cargo tanks less than 0.30Bs from the ship's side shall be fitted with valves at the point they open into any cargo tank, and these valves shall:

A) Be kept closed at sea whenever the tanks contain cargo oil, except for essential cargo operations B) Be locked open C) Be removed before departure D) Be blanked

MARPOL Annex I Regulation 23 – Accidental Oil Outflow Performance – Set B