A.at least
B.at most
C.so big as
D.as large as
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A.Down by the bow
B.Down by the stern
C.Down by either the bow or stern
D.In level trim
A.righting arm
B.metacentric height
C.height of the uncorrected KG
D.natural rolling period
A.add ballast forward
B.load more cargo forward
C.shift bunkers forward
D.All of the above
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Functions aboard a tanker or tank barge such as connecting，disconnecting，and topping off must be supervised by（）.
How must each storage tank for helicopter fuel on a ship be marked?（）
Litmus paste is used in order to determine（）.
Notwithstanding the provisions of this Regulation，the segregated ballast conditions for oil tankers less than 150 meters in length shall be to the（）of the Administration.
Pump out No.2 port ballast tank to（）.
During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）.
Joiner bulkheads on a vessel provide（）.
Every oil tanker operating with dedicated clean ballast tanks shall be（）with a Dedicated Clean Ballast Tank Operation Manual detailing the system and specifying operational procedures.
ACCIDENTAL ESCAPE OF OIL OUT OF A TANK WHEN IT GETS TOO FULL BECAUSE PUMPING WAS NOT STOPPED IN TIME defines（）.
On a vessel carrying grades A，B，C or D cargoes，enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by（）.