A negative metacentric height ______.A.will always cause a vessel to capsizeB.should always be immediately correctedC.always results from off-center weightsD.All of the above are correct
A negative metacentric height ______.
A.will always cause a vessel to capsize
B.should always be immediately corrected
C.always results from off-center weights
D.All of the above are correct
相关考题：
Cross curves of stability show which of the following？A.The righting arms at various angles of inclination and displacementB.The metacentric height at large angles of heelC.The height of the center of buoyancy at various anglesD.The metacentric radius at various displacements
A negative metacentric height ______.A.should always be immediately correctedB.will always cause a vessel to capsizeC.always results from off-center weightsD.All of the above are correct
Reducing free surfaces has the effect of lowering the ______.A.uncorrected KGB.virtual height of the center of gravityC.metacenterD.metacentric height
Movement of liquid in a tank when a vessel inclines causes an increase in ______．A.Righting armB.Metacentric heightC.Height of the uncorrected KGD.Natural rolling period
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
If the metacentric height is large, a floating vessel will ______.A.be tenderB.have a slow and easy motionC.be stiffD.have a tendency to yaw
If the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase in the ______.A.metacentric heightB.righting armC.righting momentD.vertical moments
In small angle stability, the metacentric height ______.A.is found in the hydrostatic tables for a level vesselB.multiplied by the displacement yields the righting momentC.is always positiveD.is calculated by subtracting KG from KM
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
Increasing the number of slack liquid tanks has the effect of raising the ______.A.uncorrected KGB.maximum allowed KGC.virtual height of the center of gravityD.metacentric height
Metacentric height is a measure of ______.A.initial stability onlyB.stability through all anglesC.maximum righting armD.All of the above
从水面到甲板之间的高度称之为干舷。（）A、The height from the bottom of a vessel to the weather deck is called freeboard.B、The depth from water level to the bottom of a vessel is called freeboard.C、The length from the bow to stern of a vessel is called freeboard.D、The height from water level to the main deck is called freeboard.
单选题You must shift a weight from the upper tween deck to the lower hold. This shift will（）.Amake the vessel more tenderBmake the vessel stifferCincrease the rolling periodDdecrease the metacentric height
单选题Large quantities of uncovered pig iron or billets should not be carried in the upper-tween decks because（）.Athis does not eliminate the risk of cargo shiftingBthis will increase the metacentric height of the shipCthis will decrease the gravity height of the shipDthis will reduce the rolling period of the ship
单选题Which statement is TRUE of a stiff vessel? （）AShe will have a large metacentric heightBHer period of roll will be large due to her large metacentric heightCShe will have an unusually high center of gravityDShe will pitch heavily
单选题Structural stress on a ship can be reduced by（）.Alessening the effect of environmental forcesBeven and symmetrical variable loadingClocal concentration of heavy consumablesDincreasing the metacentric height
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A negative metacentric height（）.Awill always cause a vessel to capsizeBshould always be immediately correctedCalways result from off-center weightsDAll of the above are correct
单选题If the metacentric height is small，a floating vessel will（）.Abe tenderBhave a quick and rapid motionCbe stiffDyaw
单选题If the metacentric height is large，a floating vessel will（）.Abe tenderBhave a slow and easy motionCbe stiffDhave a tendency to yaw
单选题A floating ship with an initial negative metacentric height（）.Awill capsizeBwill incline furtherCmay lie at an angle of lollDmay be initially level
单选题In small angle stability，the metacentric height（）.Ais found in the hydrostatic tables for a level vesselBmultiplied by the displacement yields the righting momentCis always positiveDis calculated by subtracting KG from KM
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If the result of loading a vessel is an increase in the height of the center of gravity,there will always be an increase in the（）.Ametacentric heightBrighting armCrighting momentDvertical moment
单选题从水面到甲板之间的高度称之为干舷。（）AThe height from the bottom of a vessel to the weather deck is called freeboard.BThe depth from water level to the bottom of a vessel is called freeboard.CThe length from the bow to stern of a vessel is called freeboard.DThe height from water level to the main deck is called freeboard.
单选题If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.Aincrease the righting momentBcause an increase in the righting armCbring the vessel to an upright equilibrium positionDcause the vessel to flop to a greater angle