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單項選擇題

Addition of weight to a vessel will always（）.

A.reduce reserve buoyancy
B.increase righting moments
C.increase GM
D.All of the above

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單項選擇題

After riveting is completed, the joints on the shell of a vessel are generally made watertight by（）.

A.faying
B.caulking
C.felt or canvas packing
D.red lead

單項選擇題

After the initial cleaning of fule gas in an inert gas system is passed through what devoce for final cleaning?（）.

A.Scrubber
B.Demister
C.Deck water seal
D.Final filter

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