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
A floating ship with an initial negative metacentric height().
A

will capsize

B

will incline further

C

may lie at an angle of loll

D

may be initially level


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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

单选题()refers to the height from the waterline to the bottom of the ship.ADraftBFreeboardCDerrickDDrift

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The angle of loll is a stability term which applies to a floating ship with().Aoff-center loadingBstiff characteristicsCexcessive pitch or rollDnegative initial stability

单选题A continual worsening of the list or trim of any floating ship indicates().Anegative GMBprogressive floodingCstructural failureDan immediate need to counterflood

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() is not the information necessary for the master to obtain guidance as to the stability of the ship.Aa curve of minimum operational metacentric height(GM)versus draughtBinstructions concerning the operation of cross-flooding arrangementsCthe signals or lights being exhibited or soundedDall other data and aids which might be necessary to maintain stability after damage

单选题If the metacenteroic height is small,a floating vessel will().Abe tenderBhave a quick and easy motionCbe stiffDyaw

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,the result of subtracting KG from KM is the().Aheight of the metacenterBheight of the righting armCheight of the center of buoyancyDmetacentric height

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 metacenteroic height is large,a floating vessel will().Abe tenderBhave a slow and easy motionCbe stiffDhave a tendency to yaw