单项选择题

Deballasting a double bottom has what affect on KG?（）

A.KG is increased
B.KG is decreased
C.KG is not affected
D.KG increases at light drafts and decreases at deep drafts

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单项选择题

A.KM is small
B.KM is high
C.BL is small
D.KB is large

单项选择题

A.INTERNATIONAL LOAD LINE CERTIFICATE
B.PASSENGER SHIP SAFETY CERTIFICATE
C.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D.GENERAL DECLARATION

单项选择题

A.change，depending on the location of the LCG
B.increase
C.decrease
D.remain constant