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
With no environmental forces acting on the vessel，the center of gravity of an inclined vessel is vertically aligned with the ______．
A.longitudinal centerline
B.center of flotation
C.original vertical centerline
D.metacenter
相关考题：
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
A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the ______．A.keelB.center of buoyancyC.tipping centerD.amidships section
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
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
For a vessel inclined by the wind, multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the ______.A.righting momentB.longitudinal momentC.transverse momentD.vertical moment
If a vessel takes a sudden severe list or trim from an unknown cause, you should FIRST____.A.determine the cause before taking countermeasuresB.assume the shift is due to off-center loadingC.counterflood on the side opposite the list or trimD.assume the cause is environmental forces
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
单选题For a vessel inclined by the wind，multiplying the buoyant force by the horizontal distance between the lines of action of the buoyant and gravity forces gives the（）.Arighting momentBvertical momentClongitudinal momentDtransverse moment
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 flooded lifeboat on board a vessel would adversely affect the vessel’s stabbility by（）.Aincreasing the righting momentBdecreasing the vessel's displacementCincreasing the reserve buoyancyDshifting the CG(center of gravity) off center
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 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 the point of application of two forces: the downward-acting gravity force and the（）.Aupward-acting weight forceBdownward-acting weight forceCupward-acting buoyant forceDenvironmental force
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Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.AThe metacenter does not remain in the same position for large angles of inclinationBThe center of gravity shifts due to inclinationCThe center of gravity shifts above the metacenter as the vessel is inclinedDThe mean draft will change as the vessel is inclined
单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stability?（）.AThe metacenter does not remain in the same position for large angles of inclinationBThe center of gravity shift due to inclinationCThe center of gravity shifts above the metacenter as the vessel is inclinedDThe mean draft will change as the vessel is inclinded
单选题If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST（）.Adetermine the cause before taking countermeasuresBassume the shift is due to off-center loadingCcounterfloodDassume the cause is environmental forces
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 vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the（）.AkeelBcenter of buoyancyCtipping centerDamidships section
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If a vessel takes a sudden severe list or trim from an unknown cause，you should FIRST（）.Adetermine the cause before taking countermeasuresBassume the shift is due to off-center loadingCcounterflood on the side opposite the list or trimDassume the cause is environmental forces