单项选择题
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
A tank vessel transferring non-flammable hazardous carg...
单项选择题A tank vessel transferring non-flammable hazardous cargo in bulk must display warning signs. These signs must（）.
A.be visible from both sides and from forward and aft B.indicate NO SMOKING C.be displayed only while transferring cargo and fast to a dock D.use black lettering on a white background
A SYSTEM OF CLEANING THE TANKS BY WASHING THEM WITH THE...
单项选择题A SYSTEM OF CLEANING THE TANKS BY WASHING THEM WITH THE CARGO OF CRUDE OIL WHILE IT IS BEING DISCHARGED is known as（）.
A.COW B.LOT C.CBT D.coferdam
