单项选择题

The officer responsible for the sanitary condition of the engineering department is the （）.

A.Master
B.Chief Mate
C.Chief Engineer
D.First Assistant

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单项选择题

The max effluent of the oil content from a ship of 400 tons gross tonnage and above other than an oil tanker is（）.

A.less than 100 parts per million
B.more than 100 parts per million
C.at least 100 parts per million
D.100 parts per million

单项选择题

Sufficient cargo tanks shall be（）prior to each ballast voyage in order that，taking into account the tanker’s trading pattern and expected weather conditions，ballast water is put only into cargo tanks which have been crude oil washed.

A.Inerted
B.Crude oil washed
C.Gas freed
D.Battened down

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