单选题Angular motion about the longitudinal axis of a vessel is known as().ApitchBsurgeCswayDroll

单选题
Angular motion about the longitudinal axis of a vessel is known as().
A

pitch

B

surge

C

sway

D

roll


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Pitching is angular motion of the vessel about what axis(轴)?A.LongitudinalB.TransverseC.VerticalD.Centerline

The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel's displacement into the ______.A.Transverse free surface correction for the vesselB.Sum of the vertical moments of the vesselC.Sum of the longitudinal free surface moments of the vesselD.Longitudinal centerline of the vessel

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 vessel’s KG is determined by ______.A.dividing the total longitudinal moment summation by displacementB.dividing the total vertical moment summation by displacementC.multiplying the MTl by the longitudinal momentsD.subtracting LCF from LCB

Aboard a vessel, dividing the sum of the longitudinal moments by total weight yields the vessel’s ______.A.inclining momentsB.righting momentsC.vertical momentsD.longitudinal position of the center of gravity

In vessel construction, beam brackets are triangular plates that join the deck beam to a ____.A.bulkheadB.frameC.stanchionD.deck longitudinal

Lighter longitudinal stiffening frames on the vessel side plating are called ______.A.stringersB.side framesC.side stiffenersD.Intercostals

单选题If a line at right angles to the axis rotates about that axis and, at the same time, moves parallel to the axis, it will generate ().Aa helixBa helicoidalCa curveDa cone

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In order to determine the trimming arm for your vessel at any particular draft,which of the following would you compare?().ALongitudinal center of buoyancy and longitudinal center of gravityBLongitudinal center of floatation and longitudinal center of gravityCLongitudinal center of floatation and longitudinal center of buoyancyDLongitudinal tipping center and longitudinal center of gravity

单选题The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the().Atransverse free surface correction for the vesselBsum of the vertical moments of the vesselCsum of the longitudinal free surface moments of the vesselDlongitudinal centerline of the vessel

单选题Aboard a vessel,dividing the sum of the longitudinal moments by the total weight yields the vessel’s().Ainclining momentsBrighting momentsCvertical momentsDlongitudinal position of the center of gravity

单选题Horizontal fore or aft motion of a vessel is known as().ApitchBsurgeCswayDroll

单选题Horizontal transverse motion of a vessel is known as().ApitchBsurgeCswayDheave

单选题Lighter longitudinal stiffening frames on the vessel side pating are called().AstringersBside framesCside stiffenersDintercostals

单选题When a point rotates about an axis and, at the same time, moves parallel to that axis, it describes ().Aa lineBa circleCa helixDan epllicate

单选题Variation is the angular measurement between().Acompass north and magnetic northBcompass north and true northCmagnetic meridian and the geographic meridianDyour vessel's heading and the magnetic meridian

单选题Heave is motion along the().Alongitudinal axisBtransverse axisCvertical axisDcenterline axis

单选题The angular motion of a ship in the athwart ship is termed().ApitchingByawingCrollingDtracking

单选题For a vessel with longitudinal inclination, an increase in GML cause().Alist to stabilize at an angle of lollBtrim to stabilize at an angle of lollCtrim to increaseDtrim to decrease

单选题The angular motion of a ship in the athwartship is termed().ApitchingByawingCrollingDtracking

单选题A slow and easy motion of a vessel in a seaway is an indication of a().Asmall GMBlow center of gravitCstiff vesselDlarge GZ

单选题A vessel’s KG is determined by().Adividing the total longitudinal moment summation by displacementBdividing the total vertical moment summation by displacementCmultiplying the MT1 by the longitudinal momentsDsubtracting LCF from LCB

单选题A vessel’s LCG is determined by().Adividing the total longitudinal moment summations by displacementBdividing the total vertical moment summations by displacementCmultiplying the MTC by the longitudinal momentsDsubtracting LCF from LCB

单选题Angular motion about the vertical axis of a vessel is called().AyawBsurgeCswayDroll

单选题The angular movement of a vessel about a horizontal line drawn from its bow to its stern is ().ApitchingBrollingCheavingDswaying

单选题In vessel construction. Beam brackets are triangular plates than join the deck beam to a().AbulkheadBframeCstanchionDdeck longitudinal