單項(xiàng)選擇題Addition of weight above the center of gravity of a vessel will always（）.

A.reduce initial stability
B.increase righting moments
C.increase GM
D.All of the above


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1.單項(xiàng)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

2.單項(xiàng)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

3.單項(xiàng)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

4.單項(xiàng)選擇題After transferring a weight forward on a vessel, the draft at the center of flotation will（）.

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

5.單項(xiàng)選擇題All handling and stowage of packaged hazardous materials on board a domestic vessel engaged in foreign trable shall be done under the supervision of（）.

A.a HAS Marine Inspector
B.an officer assigned to the vessel by HAS
C.a officer from CCS
D.the National Cargo Bureau