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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
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更多 “ 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 ” 相关考题
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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
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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
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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
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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
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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
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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
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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
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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
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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（）.A
righting momentB
vertical momentC
longitudinal momentD
transverse moment
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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
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单选题In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.A
center of gravityB
amidships stationC
center of flotationD
geometric center of the waterplane area
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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 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
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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
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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
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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
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单选题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
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单选题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
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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（）.A
upward-acting weight forceB
downward-acting weight forceC
upward-acting buoyant forceD
environmental force
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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
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单选题In the absence of external forces, the center of gravity of a floating vessel is located directly above the（）.A
metacenterB
amidshipsC
center of floatationD
geometric center of the displaced volume
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单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.A
The metacenter does not remain in the same position for large angles of inclinationB
The center of gravity shifts due to inclinationC
The center of gravity shifts above the metacenter as the vessel is inclinedD
The mean draft will change as the vessel is inclined
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单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stability?（）.A
The metacenter does not remain in the same position for large angles of inclinationB
The center of gravity shift due to inclinationC
The center of gravity shifts above the metacenter as the vessel is inclinedD
The mean draft will change as the vessel is inclinded
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单选题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
counterfloodD
assume the cause is environmental forces
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
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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（）.A
keelB
center of buoyancyC
tipping centerD
amidships section
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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
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单选题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
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