单项选择题
According to Annex I of MARPOL 73/78, the instantaneous discharging rate of the oily waste from cargo tanks of oil tankers must be lower than（）
A.30 liters per nautical mile
B.15 liters per nautical mile
C.30 ppm
D.15 ppm
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相关考题
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单项选择题
According to Annex I of MARPOL 73/78, oily waste from cargo tanks of oil tankers can be discharged when the ship is more than（）away from the nearest land.
A.50 nautical miles
B.30 nautical miles
C.15 nautical miles
D.12 nautical miles -
单项选择题
The MARPOL Convention is the main international convention（）
A.about marine pollution prevention
B.covering marine protection of life
C.about marine
D.about ship and port security -
单项选择题
At an unsheltered anchorage the chief engineer officer shall consult with the master whetheror not to maintain an underway watch“An underway watch” means（）
A.a watch which is kept with lower standard
B.a watch which is kept when the ship isnt sailing
C.a watch which is kept when the ship is sailing
D.a watch which is kept when the ship is in a restricted visibility area
