单项选择题
A.filling a partially filled tank B.using fuel from a pressed fuel tank C.emptying a partially filled tank D.transferring pipe from the setback area to the pipe rack
A vessel is equipped with cross-connected deep tanks. I...
单项选择题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
A tankerman who permits or causes oil to go into a navi...
单项选择题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
A tank which is NOT completely full or empty is called（...
单项选择题A tank which is NOT completely full or empty is called（）.
A.pressed B.slack C.inertial D.elemental
