单项选择题

The two points that act together to trim a ship are the（）.

A.LCF and LCB
B.LCG and LCB
C.metacenter and LCG
D.VCG and LCG

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单项选择题

The TPC curve，one of the hydrostatic curves in a vessel’s plans，gives the number of tons（）.

A.necessary to change the angle of list 1°at a given draft
B.necessary to change trim 1 cm at a given draft
C.pressure per square cm on the vessel's hull at a given draft
D.necessary to further immerse the vessel 1 cm at a given draft

单项选择题

The Plimsoll mark on a vessel is used to（）.

A.align the vessel's tailshaft
B.determine the vessel's trim
C.determine the vessel's freeboard
D.locate the vessel's centerline

单项选择题

The difference between the starboard and port drafts due to wind or seas is called（）.

A.list
B.heel
C.trim
D.flotation