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A vessel may acquire a list if the center of gravity is ______. ① Off the centerline. ② Too high in the vessel.
A.① only
B.② only
C.Either ① or ②
D.Neither ① nor ②
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更多 “ A vessel may acquire a list if the center of gravity is ______. ① Off the centerline. ② Too high in the vessel.A.① onlyB.② onlyC.Either ① or ②D.Neither ① nor ② ” 相关考题
考题
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 ______．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
考题
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
考题
A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the ______．A.keelB.center of buoyancyC.tipping centerD.amidships section
考题
A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by ______.A.increasing the righting momentB.decreasing the vessel’s displacementC.increasing the reserve buoyancyD.shifting the CG (center of gravity) off center
考题
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
考题
If a vessel takes a sudden severe list or trim from an unknown cause, you should FIRST____.A.determine the cause before taking countermeasuresB.assume the shift is due to off-center loadingC.counterflood on the side opposite the list or trimD.assume the cause is environmental forces
考题
单选题What is the definition of transverse metacenter?（）A
The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stabilityB
The point to which G may rise and still permit the vessel to possess positive stabilityC
The sum of the center of buoyancy and the center of gravityD
The transverse shift of the center of buoyancy as a vessel rolls
考题
单选题In order to determine the trimming arm for your vessel at any particular draft，which of the following would you compare?（）.A
Longitudinal center of buoyancy and longitudinal center of gravityB
Longitudinal center of floatation and longitudinal center of gravityC
Longitudinal center of floatation and longitudinal center of buoyancyD
Longitudinal tipping center and longitudinal center of gravity
考题
单选题Aboard a vessel, dividing the sum of the vertical moments by the total weight yields the vessel’s（）.A
height of the center of gravity A.LCGB
vertical momentC
righting momentD
inclining moment
考题
单选题When a vessel is inclined by an external force，the（）.A
shape of the vessel's underwater hull remains the sameB
vessel's center of gravity shifts to the center of the vessel's underwater hullC
vessel's center of buoyancy shifts to the center of the vessel's underwater hullD
vessel's mean draft increases
考题
单选题A flooded lifeboat on board a vessel would adversely affect the vessel’s stabbility by（）.A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG(center of gravity) off center
考题
单选题Aboard a vessel，dividing the sum of the longitudinal moments by the total weight yields the vessel’s（）.A
inclining momentsB
righting momentsC
vertical momentsD
longitudinal position of the center of gravity
考题
单选题The center of buoyancy is located at the（）.A
geometric center of the waterplane areaB
intersection of the vertical centerline and line of action of the buoyant forceC
center of gravity of the vessel corrected for free surface effectsD
geometric center of the displaced volume
考题
单选题A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.A
The vessel has negative GMB
The center of gravity is on the centerlineC
The list can be corrected by reducing KMD
The vessel has asymmetrical weight distribution
考题
单选题The center of the underwater volume of a floating vessel is the（）.A
center of buoyancyB
center of flotationC
uncorrected height of the center of gravity of the vesselD
center of gravity of the vessel corrected for free surface effects
考题
单选题In the absence of external forces, the center of gravity of a floating vessel is located directly above the（）.A
metacenterB
amidshipsC
center of floatationD
geometric center of the displaced volume
考题
单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.A
The metacenter does not remain in the same position for large angles of inclinationB
The center of gravity shifts due to inclinationC
The center of gravity shifts above the metacenter as the vessel is inclinedD
The mean draft will change as the vessel is inclined
考题
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（）.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
考题
单选题If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST（）.A
determine the cause before taking countermeasuresB
assume the shift is due to off-center loadingC
counterfloodD
assume the cause is environmental forces
考题
单选题An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have（）.A
an off-center TCGB
an LCG greater than level vessel LCBC
a negative GMD
excessive free surfaces
考题
单选题A vertical shift of weight to a position above the vessel’s center of gravity will（）.A
increase reserve buoyancyB
decrease the righting momentsC
decrease KGD
increase KM
考题
单选题Addition of weight above the center of gravity of a vessel will ALWAYS（）.A
reduce initial stabilityB
increase righting momentsC
increase GMD
All of the above
考题
单选题During counterflooding to correct a severe list aggravated by an off-center load，your vessel suddenly takes a list or trim to the opposite side. You should（）.A
continue counterflooding in the same directionB
continue counterflooding，but in the opposite directionC
immediately stop counterfloodingD
deballast from the low side
考题
单选题The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.A
metacentric pointB
metacenterC
metacentric radiusD
tipping center
考题
单选题If a vessel takes a sudden severe list or trim from an unknown cause, you should first（）.A
determine the cause before taking countermeasuresB
assume the shift is due to off-center loadingC
counterflood on the side opposite the list or trimD
assume the cause is environment forces
考题
单选题A flooded leg on a liftboat would adversely affect the vessel’s stability underway by（）.A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG (center of gravity) off center
考题
单选题A flooded leg on a lift boat would adversely affect the vessel’s stability underway by（）.A
increasing the righting momentB
decreasing the vessel's displacementC
increasing the reserve buoyancyD
shifting the CG (center of gravity) off center
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