單項選擇題Aboard ship, vertical flat plates running transverely and connecting the vertiacl keel to the margin plates are called().

A.floors
B.intercostals
C.girders
D.stringers


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1.單項選擇題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

2.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

3.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

5.單項選擇題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