单项选择题 In case of a ship of less than 400 tons gross tonnage other than an oil tanker whist outside the（），the Administration shall ensure that it is equipped as far as practicable and reasonable with installations to ensure the storage of oil residues with the requirements of MARPOL 73/78.

单项选择题 If Annex V to MARPOL 73/78 applies to your vessel，you willnot be able to discharge（）anywhere at sea.

单项选择题 How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）.