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
In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the ______.
A.center of gravity
B.metacenter
C.center of flotation
D.Keel
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
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 vessel is "listed" when it is ______.A.down by the headB.down by the sternC.inclined due to off-center weightD.inclined due to wind
A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is ______.A.positiveB.negativeC.zeroD.vertical
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
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
In small angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the ______.A.center of gravityB.center of flotationC.metacenterD.metacentric height
单选题A ship is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.ApositiveBnegativeCzeroDvertical
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 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If a vessel lists to port，the center of buoyancy will（）.Amove to portBmove to starboardCmove directly downDstay in the same position
单选题If a vessel list to port,the center of buoyancy will（）.Amove to portBmove to starboardCmove directly downDstay in the position
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A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.ApositiveBnegativeCzeroDvertical
单选题In small-angle stability，when external forces exist，the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.Acenter of gravityBcenter of flotationCmetacenterDmetacentric height
单选题In the presence of external forces，the center of buoyancy of an inclined vessel is vertically aligned with the（）.Acenter of gravityBmetacenterCcenter of flotationDkeel
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In snall angle stability, when external forces exist , the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.Acenter of gravityBcenter of flotationCmetacenterDmetacentric height
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The tendency of a vessel to return to its original trim after being inclined by an external force is（）.AequilibriumBbuoyancyCtransverse stabilityDlongitudinal stability
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