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
An unstable upright equilibrium position on a vessel means that the metacenter is ______.
A.lower than the center of gravity
B.at the same height as the center of gravity
C.higher than the baseline
D.on the longitudinal centerline
相关考题：
Pump out No. 2 port ballast tank to ______.A.keep vessel afloatingB.refloat vessel listing to starboardC.make vessel all-rightD.bring vessel upright
during bunkering in the last vessel ,what were you assigned to do ?or what was your position during bunkering on your last 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 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
A neutral equilibrium position for a vessel means that the metacenter is ______.A.lower than the keelB.at the same height as the center of gravityC.exactly at midshipsD.at the center of the waterplane area
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
For an upright vessel, draft is the vertical distance between the keel and the ______.A.waterlineB.freeboard deckC.plimsoll markD.amidships section
In a weather report，POSITION GOOD means that the position is______．A.a good oneB.reliableC.is easy to be fixedD.Obtainable
In weather report, POSITION GOOD means that ______.A.the position is suitableB.the position is reliableC.the position is changeableD.the position is fixable
单选题A neutral equilibrim 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 a weather report, position good means that the position is（）.Aa good oneBreliableCis easy to be fixedDobtainable
单选题If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.Aincrease the righting momentBcause an increase in the righting armCbring the unit to an upright equilibrium positionDcause the unit to flop to a greater angle
单选题Magnetic variation changes with a change in（）.Athe vessel's headingBsea conditionsCseasonsDthe vessel's position
单选题The original equilibrium position is stable when（）.Ametacentric height is positiveBmetacentric radius is positiveCKG exceed maximum allowable limitsDFree surfaces are excessive
单选题Pump out No.2 port ballast tank to（）.Akeep vessel afloatingBrefloat vessel listing to starboardCmake vessel all-rightDbring vessel upright
单选题A position obtained by applying ONLY your vessel’s course and speed to a known position is a （）.AfixBdead-reckoning positionCrunning fixDprobable position
单选题An unstable upright equilibrium position on a vessel means that the mrtacenter is（）.Alower than the center of gravityBat the same height as the center of gravityCheigher than the baselineDon the longitudinal centerline
单选题When cargo is shifted from the main deck into the lower hold of a vessel，（）.AThe metacenter will move downwardBThe GM will increaseCThe center of buoyancy will move upwardDThe list of the vessel will become great
单选题When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.AThe objects lie in a straight lineBThe vessel is inside of a triangle formed by the objectsCThe vessel is outside of a triangle formed by the objectsDA circle will pass through your position and the three objects
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For an upright vessel, draft is the vertical distance between the keel and the （）.AwaterlineBfreeboard deckCPlimsoll markDamidships section
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You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.ARunning fixBFixCDead-reckoning positionDEstimated position
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