单项选择题
Functions aboard a tanker or tank barge such as connecting, disconnecting, and topping off must be supervised by（）.
A.any certificated tankerman
B.the master of the vessel
C.the officer of the watch
D.the person designated as person in charge
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相关考题
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单项选择题
Gasoline tanks should be filled（）.
A.to the top to expel all vapors from the tanks
B.to the top so the operator is certain how much fuel he has aboard
C.with only sufficient fuel for the planned trip so excess gasoline is not carried
D.to near the top with some space allowed for gasoline expansion -
单项选择题
Generally speaking , the heavier cargo will go into the（）,distributing it evenly fore and aft, the lighter cargo will probably be placed in the（）.
A.deep tanks/lower holds
B.lower holds/tweendecks
C.tweendecks/deep tanks
D.deep tanks/tweendecks -
单项选择题
Holes in the bulwark,Which allow deck water to drain into the sea, are（）.
A.doggers
B.fidleys
C.freeing ports
D.swash ports
