volume of displacement of the vessel
dimensions of the surface of the liquid
amount of liquid in slack tanks
specific gravity of the liquid in the tank
第1题：
An upright vessel has negative GM．GM becomes positive at the angle of loll because the ______．
A.Free surface effects are reduced due to pocketing
B.KG is reduced as the vessel seeks the angle of loll
C.Effective beam is increased causing BM to increase
D.Underwater volume of the hull is increased
第2题：
In order to minimize the effects of a tender vessel，when carrying a cargo of lumber，you should ______．
A.Maximize your deck load
B.Distribute lumber so that those stowing most compactly per unit of weight are in the upper holds
C.Place the heaviest woods in the lower holds
D.Keep the vessel's frame spaces free from lumber
第3题：
Freeboard is a measure of which of the following？Ⅰ．The amount of reserve buoyancy．Ⅱ．The initial stability of the vessel．
A.Ⅰ only
B.Ⅱ only
C.Both Ⅰ and Ⅱ
D.Neither Ⅰ nor Ⅱ
第4题：
GM is a measure of ______.
① The initial stability of a vessel.
② The rightingness of the vessel.
A.① only
B.② only
C.Both ① and ②
D.Neither ① nor ②
第5题：
The free surface effects of a partially full liquid tank decrease with increased ______．
A.Density of the liquid
B.Placement of the tank above the keel
C.Displacement volume of the ship
D.Size of the surface area in the tank
第6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7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8题：
The Chief Mate must ascertain that the deck loads are stowed in such a manner as ______.
A.not to affect the draught trim
B.not to affect the cargo ventilation
C.not to affect the free surface
D.not to affect the vessel's stability
第9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
第10题：
returns the vessel to an even keel
reduces free surface effect
lowers the center of gravity
raises the center of buoyancy