At all angles of inclination, the metacenter is ______.A.vertically above the center of buoyancyB.vertically above the center of gravityC.at the intersection of the upright vertical centerline and the line of action of the buoyant forceD.at the geometric center of the underwater volume

At all angles of inclination, the metacenter is ______.

A.vertically above the center of buoyancy

B.vertically above the center of gravity

C.at the intersection of the upright vertical centerline and the line of action of the buoyant force

D.at the geometric center of the underwater volume


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

Magnetic information on a chart may be ______.A.found in the center(s) of the compass rose(s)B.indicated by isogonic linesC.found in a note on the chartD.All of the above

During cargo operations,your vessel develops a list due to the center of gravity rising above the transverse metacenter.To correct the list,you should ______.A.Shift weight to the high sideB.Shift weight to the centerlineC.Add weight in the lower holds or double bottomsD.Remove weight from the lower holds or double bottoms

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

An unstable upright equilibrium position on a vessel means that the metacenter is ______.A.lower than the center of gravityB.at the same height as the center of gravityC.higher than the baselineD.on the longitudinal centerline

For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force ______.A.only when there is positive stabilityB.only when there is negative stabilityC.only when there is neutral stabilityD.at all times

For small angles of inclination, if the KG were equal to the KM, then the vessel would have __________.A.position stabilityB.negative stabilityC.neutral stabilityD.maximum stability

GM cannot be used as an indicator of stability at all angles of inclination because ______.A.M is not fixed at large anglesB.there is no M at large anglesC.G is not fixed at large anglesD.there is no G at large angles

If the vertical center of gravity (VCG) of a ship rises 1.7 feet, the righting arm (GZ) for the various angles of inclination will ______.A.decreaseB.increaseC.remain unchangedD.be changed by the amount of GG’ x cosine of the angle

单选题The difference between the height of the metacenter and the height of the center of gravity is known as the().Ametacentric heightBheight of the righting armCfore and aft perpendicularDheight of the center of buoyancy

单选题Stable equilibrium for a vessel means that the metacenter is().Aat a lower level than the baselineBon the longitudinal centerlineChigher than the center of gravityDat amidships

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The center of buoyancy and the metacenter are in the line of action of the buoyant force().Aonly when there is positive stabilityBonly when there is negative stabilityConly when there is neutral stabilityDat all times

单选题The vertical distance between G and M is used as a measure of().Astability at all angles of inclinationBinitial stabilityCstability at angles less than the limit of positive stabilityDstability at angles less than the downflooding angle

单选题If the vertical center of gravity (VCG) of a ship rises 1.7 feet,the righting arm (GZ) for the various angles of inclination will().AdecreaseBincreaseCremain unchangedDbe changed by the amount of GG' x cosine of the angle

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An unstable upright equilibrium position on a vessel means that the metacenter is().Alower than the center of gravityBat the same height as the center of gravityChigher than the baselineDon the longitudinal centerline

单选题During cargo operations, your vessel develops a list due to the center of gravity rising above the transverse metacenter. To correct the list, you should().Ashift weight to the high sideBshift weight to the centerlineCadd weight in the lower holds or double bottomsDremove weight from the lower holds or double bottoms

单选题At all angles of inclination, the metacenter is().Avertically above the center of buoyancyBvertically above the center of gravityCat the intersection of the upright vertical centerline and the line of action of the buoyant forceDat the geometric center of the underwater volume

单选题For small angles of inclination,if the KG were equal to the KM,then the vessel would have().Apositive stabilityBnegative stabilityCneutral stabilityDmaximum stability

单选题GM cannot be used as an indicator of stability at all angles of inclination because().AM is not fixed at large anglesBthere is no M at large anglesCG is not fixed at large anglesDthere is no G at large angles

单选题At all angles of inclination,the true measure of a vessel’s stability is the().Ametacentric heightBdisplacementCrighting momentDinclining moment

单选题For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force().Aonly when there is positive stabilityBonly when there is negative stabilityConly when there is neutral stabilityDat all times

单选题A neutral equilibrium position for a vessel means that the metacenter is().Alower than the keelBat the same height as the center of gravityCexactly at midshipsDat the center of the waterplane area

单选题The height of the metacenter above the keel will vary depending on the().Adraft and beam of the shipBdisplacement and deadweight of the shipCbuoyancy and trim of the shipDtonnage and deadweight of the ship

单选题The important initial stability parameter,GM,is the().Ametacentric heightBheight of the metacenter above the keelCheight of the center of buoyancy above the keelDheight of the center of gravity above the keel