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单选题
The center of flotation of a vessel is the point in the waterplane().
A
about which the vessel lists and trims
B
which coincides with the center of buoyancy
C
which,in the absence of external forces,is always vertically aligned with the center of gravity
D
which is shown in the hydrostatic tables as VCB
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更多 “单选题The center of flotation of a vessel is the point in the waterplane().A about which the vessel lists and trimsB which coincides with the center of buoyancyC which,in the absence of external forces,is always vertically aligned with the center of gravityD which is shown in the hydrostatic tables as VCB” 相关考题
考题
In the absence of external forces,adding weight on one side of a floating vessel causes the vessel to ().A.heel until the angle of loll is reachedB.list until the center of buoyancy is aligned vertically with the center of gravityC.trim to the side opposite TCG until all moments are equalD.decrease draft at the center of flotation
考题
With no environmental forces acting on the vessel,the center of gravity of an inclined vessel is vertically aligned with the ______.A.longitudinal centerlineB.center of flotationC.original vertical centerlineD.metacenter
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A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by ______.A.increasing the righting momentB.decreasing the vessel’s displacementC.increasing the reserve buoyancyD.shifting the CG (center of gravity) off center
考题
A floating vessel will behave as if all of its weight is acting downward through the ______.A.center of gravityB.center of buoyancyC.center of floationD.Metacenter
考题
After transferring a weight forward on a vessel, the draft at the center of flotation will _____.A.change, depending on the location of the LCGB.increaseC.decreaseD.remain constant
考题
For a floating vessel, the center of flotation is the point in the waterplane ______.A.about which the vessel lists and trimsB.which coincides with the center of buoyancyC.which, in the absence of external forces, is always vertically aligned with the center of gravityD.which is shown in the hydrostatic tables as VCB
考题
Forces within a vessel have caused a difference between the starboard and port drafts. This difference is called ______.A.listB.heelC.trimD.Flotation
考题
In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the ______.A.center of gravityB.metacenterC.center of flotationD.Keel
考题
单选题What is the definition of transverse metacenter?()A
The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stabilityB
The point to which G may rise and still permit the vessel to possess positive stabilityC
The sum of the center of buoyancy and the center of gravityD
The transverse shift of the center of buoyancy as a vessel rolls
考题
单选题In order to determine the trimming arm for your vessel at any particular draft,which of the following would you compare?().A
Longitudinal center of buoyancy and longitudinal center of gravityB
Longitudinal center of floatation and longitudinal center of gravityC
Longitudinal center of floatation and longitudinal center of buoyancyD
Longitudinal tipping center and longitudinal center of gravity
考题
单选题The center of flotation of a vessel is the point in the waterplane().A
about which the vessel lists and trimsB
which coincides with the center of buoyancyC
which,in the absence of external forces,is always vertically aligned with the center of gravityD
which is shown in the hydrostatic tables as VCB
考题
单选题The center of flotation of a vessel is().A
the center of volume of the immersed portion of the vesselB
the center of gravity of the water planeC
that point at which all the vertical downward forces of weight are considered to be concentratedD
that point at which all the vertical upward forces of buoyancy are considered to be concentrated
考题
单选题When a vessel is inclined by an external force,the().A
shape of the vessel's underwater hull remains the sameB
vessel's center of gravity shifts to the center of the vessel's underwater hullC
vessel's center of buoyancy shifts to the center of the vessel's underwater hullD
vessel's mean draft increases
考题
单选题A flooded lifeboat on board a vessel would adversely affect the vessel’s stabbility by().A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG(center of gravity) off center
考题
单选题That center around which a vessel trims is called the().A
tipping centerB
center of buoyancyC
center of gravityD
turning center
考题
单选题Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the().A
metacenterB
geometric center of the waterplane areaC
center of gravityD
center of flotation
考题
单选题The center of the underwater volume of a floating vessel is the().A
center of buoyancyB
center of flotationC
uncorrected height of the center of gravity of the vesselD
center of gravity of the vessel corrected for free surface effects
考题
单选题After transferring a weight forward on a vessel, the draft at the center of flotation will().A
change, depending on the location of the LCGB
increaseC
decreaseD
remain constant
考题
单选题Stability is determined principally by the location of the center of gravity and the().A
aft perpendicularB
center of buoyancyC
keelD
center of flotation
考题
单选题In the absence of external forces,adding weight on one side of a floating vessel causes the vessel to().A
heel until the angle of loll is reachedB
list until the center of buoyancy is aligned vertically with the center of gravityC
trim to the side opposite TCG until all moments are equalD
decrease draft at the center of flotation
考题
单选题For a floating vessel,the center of flotation is the point in the waterplane().A
about which the vessel lists and trimsB
which coincides with the center of buoyancyC
which,in the absence of external forces,is always vertically aligned with the center of gravityD
which is shown in the hydrostatic tables as VCB
考题
单选题The geometric center of the waterplane area is called the().A
center of buoyancyB
center of gravityC
metacenterD
center of flotation
考题
单选题The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the().A
metacentric pointB
metacenterC
metacentric radiusD
tipping center
考题
单选题For a floating vessel,the center of the floating is the point in the waterpiane.().A
aboat which the vessel lists and trimsB
which coincides with the center of buoyancyC
which, in the absence of external forces, is always vertically aligned with the center of gravityD
which is shown in the hydrostatic tables as VCB
考题
单选题The average of the forward and after drafts is the().A
mean draftB
true mean draftC
mean of the calculated draftsD
draft at the center of flotation
考题
单选题A flooded leg on a liftboat would adversely affect the vessel’s stability underway by().A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG (center of gravity) off center
考题
单选题A flooded leg on a lift boat would adversely affect the vessel’s stability underway by().A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG (center of gravity) off center
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