单项选择题

Which cargo would require a dangerous cargo manifest? （）

A.Cotton
B.Wheat
C.Sugar
D.Lumber

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单项选择题

When stowing hazardous materials on deck，lashing of such cargo is permitted if（）.

A.a wooden bin is constructed of at least 2-inch dunnage and bolted together
B.the cargo is lashed to the adjacent guard rails
C.the lashings are secured to deck pad eyes
D.there is at least 3 inches of dunnage on deck

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