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

After transferring a weight forward on a vessel, the draft at the center of flotation will _____.

A.change, depending on the location of the LCG

B.increase

C.decrease

D.remain constant


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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 vessel transferring cargo while underway is classified by the Rules as a vessel ______.A.restricted in her ability to maneuverB.in special circumstancesC.not under commandD.constrained by her draft

Jettisoning weight from topside ______.A.returns the vessel to an even keelB.reduces free surface effectC.lowers the center of gravityD.raises the center of buoyancy

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 vessel’s bottom will be subjected to tension when weight is concentrated ______.A.amidshipsB.aftC.at both ends of the vesselD.Forward

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, 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Jettisoning weight from topside().Areturns the vessel to an even keelBreduces free surface effectClowers the center of gravityDraises the center of buoyancy

单选题Which of the following will increase the height of the center of buoyancy for your vessel?().ADischarging weight from lower decksBLoading weight in upper decksCShifting weight from lower to upper decksDShifting weight from upper to lower decks

单选题In order to determine the trimming arm for your vessel at any particular draft,which of the following would you compare?().ALongitudinal center of buoyancy and longitudinal center of gravityBLongitudinal center of floatation and longitudinal center of gravityCLongitudinal center of floatation and longitudinal center of buoyancyDLongitudinal tipping center and longitudinal center of gravity

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Aboard a vessel, dividing the sum of the vertical moments by the total weight yields the vessel’s().Aheight of the center of gravity A.LCGBvertical momentCrighting momentDinclining moment

单选题Freight rates are mostly charged().Aby the weight (tons) of cargoBby the capacity (tons) of vesselCby DW of the vesselDby the draft of the vessel

单选题When a vessel is inclined by an external force,the().Ashape of the vessel's underwater hull remains the sameBvessel's center of gravity shifts to the center of the vessel's underwater hullCvessel's center of buoyancy shifts to the center of the vessel's underwater hullDvessel's mean draft increases

单选题A vessel transferring cargo while underway is classified by the Rules as a vessel().Arestricted in her ability to maneuverBin special circumstancesCnot under commandDconstrained by her draft

单选题The mean draft of a ship is the draft().Amidway between the forward and aft draft marksBat the center of flotationCat the load lineDat the center of buoyancy

单选题Aboard a vessel, dividing the sum of the vertical moment by the total weight yields the vessel’s().Avertical momentBtransverse position of the center of gravityCinclining momentDrighting moment

单选题How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?()AThis requires extensive calculation and is usually performed only by a naval architect not by a ship's officerBDetermine the point where aground and the draft at that point,then calculate it using the grounding formulaCUse the hydrostatic tables and enter with the mean draft before grounding and the mean draft after groundingDUse the inclining experiment formula and substitute the change of trim for the angle of list

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,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A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?()AShift weight to the bowBShift weight to the center of the boatCShift weight to the sternDThrow excess weight overboard

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

单选题The average of the forward and after drafts is the().Amean draftBtrue mean draftCmean of the calculated draftsDdraft at the center of flotation