单项选择题

When flammable liquids are handled in a compartment on a vessel，the ventilation for that area should be（）.

A.operated continuously while vapors may be present
B.operated intermittently to remove vapors
C.available on standby for immediate use
D.shut down if an explosive mixture is present

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单项选择题What entry on a dangerous cargo manifest concerning the classification of a cargo is correct? （）

A.Class 8
B.Class 3 - flammable liquid
C.Division 2.2 - nonflammable gas
D.All of the above are correct

单项选择题We will（）special attention to the dangerous cargo.

A.put
B.make
C.take
D.pay

单项选择题Vessels carrying（）must not willfully wash decks or holds.

A.general cargo
B.steel products
C.harmful cargo
D.machinery

单项选择题The transportation of dangerous cargo in packages is governed by（）.

A.IBC code
B.BC code
C.IMDG code
D.IGC code

单项选择题The telegram AFTER UNLOADING PROCEED MANILA IN BALLAST indicates that the ship will proceed to Manila（）.

A.with dangerous cargo
B.for discharging
C.with no cargo on board
D.for taking ballast