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A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed?（）.

A.The tanks lie above the waterline and are filled
B.The tanks are partially filled with dry cargo
C.The tanks are partially filled with liquid cargo
D.The tanks are filled and lie below the waterline

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單項(xiàng)選擇題
A tankerman who permits or causes oil to go into a navigable waterway may be punished federally by（）.
A.fine
B.imprisonment
C.suspension or revocation of tankerman's document
D.All of the above
單項(xiàng)選擇題
A tank which is NOT completely full or empty is called（）.
A.pressed
B.slack
C.inertial
D.elemental

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A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed?（）.

你可能感興趣的試題

A tankerman who permits or causes oil to go into a navigable waterway may be punished federally by（）.

A tank which is NOT completely full or empty is called（）.