increases
decreases
remains the same
may increase or decrease depending on the fineness of the vessel's form
第1题：
Deadweight is ________ ．
A.the tonnes of the displacement of a vessel in water of a specific gravity of 1．025 at summer load water line
B.the difference in tonnes between the displacement in salt water at summer load waterline and the light weight of the vessel
C.the cargoes in tonnes that can be loaded in a vessel at summer load water line
D.the bale capacity in cubic meters of a vessel
第2题：
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel's displacement into the ______．
A.Transverse free surface correction for the vessel
B.Sum of the vertical moments of the vessel
C.Sum of the longitudinal free surface moments of the vessel
D.Longitudinal centerline of the vessel
第3题：
The difference in tones between the displacement in salt water at summer load waterline and the light weight of the vessel is______．
A.gross tonnage
B.net tonnage
C.Displacement
D.deadweight
第4题：
A vessel aground may have negative GM since the ______.
A.decrease in KM is equal to the loss of draft
B.virtual rise of G is directly proportional to the remaining draft
C.lost buoyancy method is used to calculate KM, and KB is reduced
D.displacement lost acts at the point where the ship is aground
第5题：
The free surface corrections depend upon the dimensions of the surface of the free liquids and the ______．
A.volume of liquid in the tank
B.displacement of the vessel
C.location of the tank in the vessel
D.height of the center of gravity of the vessel
第6题：
The disadvantage of using a heaving line to pass a towline is that ______.
A.it increases the likelihood of collision between the towing vessel and the disabled vessel
B.recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline
C.the monkey fist may injure someone
D.it may reduce the catenary and increase yawing
第7题：
While off-loading from an offshore supply vessel with the crane，the wind increases in strength and changes direction significantly，you should ______．
A.Expedite off-loading
B.Stop off-loading，but keep the offshore supply vessel in the present location
C.Continue off-loading with no changes
D.Move the offshore supply vessel to the downwind side
第8题：
The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means ______.
A.fumigation
B.discharging
C.Compensation
D.displacement
第9题：
When displacement increases，the free surface corrections for slack tanks ______．
A.increase
B.decrease
C.are directly proportional
D.remain unchanged
第10题：
As the displacement of a vessel increases,. the detrimental effect of free surface ______.
A.increases
B.decreases
C.remains the same
D.may increase or decrease depending on the fineness of the vessel’s form