单项选择题
Ullage measurements are taken from the top of the liquid to（）.
A.the base of the expansion trunk
B.the base of the ullage port
C.a line scribed within the ullage port
D.an above-deck datum，usually the top of the ullage hole
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相关考题
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单项选择题
To serve as a person in charge of transfer operations on board a self-propelled tanker，an individual must（）.
A.hold a valid officer's license for inspected vessels
B.be a certificated tankerman
C.be 30 years old
D.have a letter from the company stating his qualification -
单项选择题
To determine which grades of cargo a tanker is permitted to carry you should（）.
A.refer to the vessel's Certificate of Inspection
B.examine the cargo tanks and fittings
C.ask the terminal supervisor or his representative
D.check the loading order -
单项选择题
The type of carrier required to file a copy of freight tariffs would be the（）.
A.common carrier
B.tramp
C.public vessel
D.bulk carrier
