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
For a floating vessel, the center of flotation 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
相关考题:
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
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
A neutral equilibrium position for a vessel means that the metacenter is ______.A.lower than the keelB.at the same height as the center of gravityC.exactly at midshipsD.at the center of the waterplane area
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
For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force ______.A.only when there is positive stabilityB.only when there is negative stabilityC.only when there is neutral stabilityD.at all times
For a floating vessel, the result of subtracting KG from KM is the ______.A.height of the metacenterB.height of the righting armC.height of the center of buoyancyD.metacentric height
For a floating vessel, true mean draft is always the ______.A.average of the observed draftsB.draft at the center of flotationC.draft corresponding to the calculated displacementD.mean of the calculated drafts
单选题What is the definition of transverse metacenter?()AThe distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stabilityBThe point to which G may rise and still permit the vessel to possess positive stabilityCThe sum of the center of buoyancy and the center of gravityDThe transverse shift of the center of buoyancy as a vessel rolls
单选题In the absence of external forces,the center of buoyancy of an inclined vessel is vertically aligned directly below the().Acenter of gravityBamidships stationCcenter of flotationDgeometric center of the waterplane area
单选题The center of flotation of a vessel is the point in the waterplane().Aabout which the vessel lists and trimsBwhich coincides with the center of buoyancyCwhich,in the absence of external forces,is always vertically aligned with the center of gravityDwhich is shown in the hydrostatic tables as VCB
单选题The center of flotation of a vessel is().Athe center of volume of the immersed portion of the vesselBthe center of gravity of the water planeCthat point at which all the vertical downward forces of weight are considered to be concentratedDthat point at which all the vertical upward forces of buoyancy are considered to be concentrated
单选题The center of buoyancy is located at the().Ageometric center of the waterplane areaBintersection of the vertical centerline and line of action of the buoyant forceCcenter of gravity of the vessel corrected for free surface effectsDgeometric center of the displaced volume
单选题Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the().AmetacenterBgeometric center of the waterplane areaCcenter of gravityDcenter of flotation
单选题The center of the underwater volume of a floating vessel is the().Acenter of buoyancyBcenter of flotationCuncorrected height of the center of gravity of the vesselDcenter of gravity of the vessel corrected for free surface effects
单选题In the absence of external forces, the center of gravity of a floating vessel is located directly above the().AmetacenterBamidshipsCcenter of floatationDgeometric center of the displaced volume
单选题After transferring a weight forward on a vessel, the draft at the center of flotation will().Achange, depending on the location of the LCGBincreaseCdecreaseDremain constant
单选题For a floating vessel,the result of subtracting KG from KM is the().Aheight of the metacenterBheight of the righting armCheight of the center of buoyancyDmetacentric height
单选题For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force().Aonly when there is positive stabilityBonly when there is negative stabilityConly when there is neutral stabilityDat all times
单选题For a floating vessel,true mean draft is always the().Aaverage of the observed draftsBdraft at the centre of flotationCdraft corresponding to the center of buoyancyDmetacentric height
单选题Stability is determined principally by the location of the center of gravity and the().Aaft perpendicularBcenter of buoyancyCkeelDcenter of flotation
单选题In the absence of external forces,adding weight on one side of a floating vessel causes the vessel to().Aheel until the angle of loll is reachedBlist until the center of buoyancy is aligned vertically with the center of gravityCtrim to the side opposite TCG until all moments are equalDdecrease draft at the center of flotation
单选题For a floating vessel,the center of flotation is the point in the waterplane().Aabout which the vessel lists and trimsBwhich coincides with the center of buoyancyCwhich,in the absence of external forces,is always vertically aligned with the center of gravityDwhich is shown in the hydrostatic tables as VCB
单选题A neutral equilibrium position for a vessel means that the metacenter is().Alower than the keelBat the same height as the center of gravityCexactly at midshipsDat the center of the waterplane area
单选题The geometric center of the waterplane area is called the().Acenter of buoyancyBcenter of gravityCmetacenterDcenter of flotation
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().Ametacentric pointBmetacenterCmetacentric radiusDtipping center
单选题For a floating vessel,the center of the floating is the point in the waterpiane.().Aaboat which the vessel lists and trimsBwhich coincides with the center of buoyancyCwhich, in the absence of external forces, is always vertically aligned with the center of gravityDwhich is shown in the hydrostatic tables as VCB
单选题For a floating vessel,true mean draft is always the().Aaverage of the observed draftsBdraft at the center of flotationCdraft corresponding to the calculated displacementDmean of the calculated drafts