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
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 moment
B.longitudinal moment
C.transverse moment
D.vertical moment
相关考题：
The numeral in the center of a wind rose circle on a pilot chart indicates the ______.A.total number of observationsB.average wind force on the Beaufort scaleC.average wind force in knotsD.percentage of calms
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
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
A wind vane on a moving vessel shows ______.A.dead reckoning wind directionB.true wind directionC.apparent wind directionD.estimated wind direction
An anemometer on a moving vessel measures ______.A.apparent wind speed onlyB.true wind speed and true wind directionC.true wind speed onlyD.apparent wind speed and true wind direction
As the weather was worsening and wind force rising to 8, my vessel ______ were yawing within forty degrees of the compass.A.alongside the wharfB.grounded in the channelC.at buoysD.at anchor
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
If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell weather the other vessel has the wind on the port or starboard side, she shall ______.A.hold course and speedB.sound the danger signalC.keep out of the way of the other vesselD.turn to port and come into the wind
单选题While your vessel is docked port side to a wharf，a sudden gale force wind causes the vessel’s bow lines to part.The bow begins to fall away from the dock，and no tugs are immediately available.Which measure（s）should you take FIRST（）.ACall the Master and the deck gangBSlip the stern lines，let the vessel drift into the river，and then anchorCLet go the starboard anchorDObtain assistance and attempt to put some new bow lines out
单选题When evacuating a seaman by helicopter lift，the vessel should be（）.Astopped with the wind dead aheadBstopped with the wind on the beamCunderway with the wind 30°on the bowDunderway on a course to provide no apparent wind
单选题If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.Arequire ballastBbe down by the headCsinkDfloat
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If the buoyant force on a ship’s hull is equal to the displacement tonnage, the ship cause（）.Arequire ballastBbe down by the headCsinkDfloat
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As the weather was worsening and wind force rising to 8，my vessel（）were yawing within forty degrees of the compass.Aalongside the wharfBgrounded in the channelCat buoysDat anchor
单选题A moment is obtained by multiplying a force by its（）.AcoupleBlever armCmoment of inertiaDpoint of application
单选题Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?（）.AWith the wind from aheadBWith the wind off the port beamCWith the wind off the starboard beamDWith the wind from abaft the beam
单选题The tendency of a vessel to return to its original trim after being inclined by an external force is（）.AequilibriumBbuoyancyCtransverse stabilityDlongitudinal stability
单选题An anemometer on a moving vessel measures（）.Aapparent wind speed onlyBtrue wind speed and true wind directionCtrue wind speed onlyDapparent wind speed and true wind direction
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The numeral in the center of a wind rose circle on a pilot chart indicates the （）.Atotal number of observationsBaverage wind force on the Beaufort scaleCaverage wind force in knotsDpercentage of calms
单选题Reserve buoyancy is the（）.Aunoccupied space below the waterlineBvolume of intact space above the waterlineCexcess of the buoyant force over the gravity forceDdifference in the buoyant force in salt and fresh waters
单选题The vertical angle between the horizontal and the magnetic line of force is the（）.AelevationBmagnetic angleCvertical angleDdip
单选题Magnets are placed in horizontal trays in the compass binnacle to compensate for the（）.Ainduced magnetism in the vessel's horizontal soft ironBchange in the magnetic field when the vessel inclines from verticalCpermanent magnetism of the vesselDmagnetic fields caused by electrical currents in the vicinity