单项选择题
Prior to backloading portable tanks or drums onto an offshore supply vessel，check that each tank is（）.
A.painted yellow with diagonal black striping
B.capped and checked for leaks
C.coated with non-corrosive protection
D.mounted on pallets
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相关考题
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单项选择题
Large quantities of uncovered pig iron or billets should not be carried in the upper-tween decks because（）.
A.this does not eliminate the risk of cargo shifting
B.this will increase the metacentric height of the ship
C.this will decrease the gravity height of the ship
D.this will reduce the rolling period of the ship -
单项选择题
It’s（）to stow optional cargo in the lower hold．You’d better give it block stowage in the tweendecks，then it can be easily discharged either at Shanghai，or Dalian or Tianjin.
A.possible
B.impossible
C.proper
D.improper -
单项选择题
In securing deck loads for an ocean tow，drill pipe should be（）.
A.galvanized to protect against corrosion
B.held in place with heavy materials such as spare pendant wire
C.limited to no more than five courses high
D.provided with bulwarks at both ends of their bays
