A.in
B.up
C.above
D.on
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A.average of the observed drafts
B.draft at the center of flotation
C.draft corresponding to the calculated displacement
D.mean of the calculated drafts
A.KM is small
B.KM is high
C.BL is small
D.KB is large
A.center of buoyancy
B.center of flotation
C.uncorrected height of the center of gravity of the vessel
D.center of gravity of the vessel corrected for free surface effects
A.mean draft
B.true mean draft
C.mean of the calculated drafts
D.draft at the center of flotation
A.trim
B.change of trim
C.final trim
D.change of draft
A.or
B.and
C.nor
D.either
A.center of gravity
B.amidships station
C.center of flotation
D.geometric center of the waterplane area
A.the center of volume of the immersed portion of the vessel
B.the center of gravity of the water plane
C.that point at which all the vertical downward forces of weight are considered to be concentrated
D.that point at which all the vertical upward forces of buoyancy are considered to be concentrated
A.a little deeper aft
B.a little deeper forward
C.at the same draught between fore and aft
D.a balance between two sides
A.change，depending on the location of the LCG
B.increase
C.decrease
D.remain constant
最新試題
Shifting weight aft in heavy weather will reduce the tendency to yaw，but may increase the tendency to（）.
Intact buoyancy is a term used to describe（）.
Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in（）.
Reserve buoyancy is the（）.
A vessel would be referred to as tender when the weight of the cargo is（）.
The center of the underwater volume of a floating vessel is the（）.
The controlling depth of the river is（）.
Reserve buoyancy is（）.
The average of the forward and after drafts is the（）.
Some cargoes are（）in weight but（）in size.