单项选择题

A.Each vent for the tank must be equal to the area of t……

Which statement is TRUE concerning protection of double bottom tanks against excessive pressure? （）

A.Each vent for the tank must be equal to the area of the tank filling line
B.The tanks must be protected by overflows
C.The total area of the vents or the overflow shall be at least equal to the area of the fill line
D.There must be twice as much vent area as the area of the fill line

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单项选择题Which is an exception to the garbage discharge requirements in Annex V to MARPOL 73 78?（）

A.The garbage to be discharged will sink
B.Garbage accumulation on board has exceeded storage space
C.A person falls overboard，and a plastic ice chest is thrown for flotation
D.The destination port or terminal cannot receive garbage

单项选择题Which area is designated a special area by Annex V to MARPOL 73 78? （）

A.Gulf of Mexico
B.Sargasso Sea
C.Red Sea
D.Great Lakes

单项选择题Whenever visible traces of oil are observed on or below the surface of the water in the immediate vicinity of ship or its wake，Governments of Parties to the Convention should，to the extent they are reasonably able to do so，promptly（）the facts bearing on the issue of whether there has been a violation of the provisions of this Regulation or Regulation 10 of this Annex of MARPOL 73 78.

A.observe
B.investigate
C.see
D.look

单项选择题What is the MINIMUM distance a vessel subject to the requirements of Annex V to MARPOL 73 78 must be located from nearest land to legally discharge paper trash?（）

A.5 nautical miles
B.10 nautical miles
C.12 nautical miles
D.25 nautical miles

单项选择题Vessels to which Annex V to MARPOL 73 78 applies may discharge garbage containing plastics （）.

A.5 nautical miles from nearest land
B.12 nautical miles from nearest land
C.25 nautical miles from nearest land
D.None of the above