單項(xiàng)選擇題Raw lacquer is()corrosive nature.

A.in
B.of
C.on
D.with


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2.單項(xiàng)選擇題Outlets in gasoline fuel lines are().

A.permitted for drawing fuel samples
B.permitted for draining fuel from lines
C.permitted for bleeding air from lines
D.prohibited

3.單項(xiàng)選擇題Many dangerous cargoes are stowed on deck because of the().

A.danger to crew and cargo
B.necessity of periodic inspection
C.possible need to jettison
D.All of the above

4.單項(xiàng)選擇題It is generally NOT allowed to clean up an oil spill by using().

A.a boom
B.suction equipment
C.chemical agents
D.skimmers

5.單項(xiàng)選擇題If your asphalt barge has operated more than 12 months in saltwater in the 24 month period since it was last dry-docked,when is it required to be hauled out again? ()

A.12 months since last dry-docking
B.18 months since last dry-docking
C.24 months since last dry-docking
D.36 months since last dry-docking