For a floating vessel, the center of flotation is the point in the waterplane ______.
A.about which the vessel lists and trims
B.which coincides with the center of buoyancy
C.which, in the absence of external forces, is always vertically aligned with the center of gravity
D.which is shown in the hydrostatic tables as VCB
第1题:
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 stability
B.only when there is negative stability
C.only when there is neutral stability
D.at all times
第2题:
For a floating vessel, true mean draft is always the ______.
A.average of the observed drafts
B.draft at the center of flotation
C.draft corresponding to the calculated displacement
D.mean of the calculated drafts
第3题:
center of gravity
amidships station
center of flotation
geometric center of the waterplane area
第4题:
the center of volume of the immersed portion of the vessel
the center of gravity of the water plane
that point at which all the vertical downward forces of weight are considered to be concentrated
that point at which all the vertical upward forces of buoyancy are considered to be concentrated
第5题:
metacenter
geometric center of the waterplane area
center of gravity
center of flotation
第6题:
metacenter
amidships
center of floatation
geometric center of the displaced volume
第7题:
height of the metacenter
height of the righting arm
height of the center of buoyancy
metacentric height
第8题:
average of the observed drafts
draft at the centre of flotation
draft corresponding to the center of buoyancy
metacentric height
第9题:
heel until the angle of loll is reached
list until the center of buoyancy is aligned vertically with the center of gravity
trim to the side opposite TCG until all moments are equal
decrease draft at the center of flotation
第10题:
lower than the keel
at the same height as the center of gravity
exactly at midships
at the center of the waterplane area
第11题:
metacentric point
metacenter
metacentric radius
tipping center
第12题:
average of the observed drafts
draft at the center of flotation
draft corresponding to the calculated displacement
mean of the calculated drafts
第13题:
For a floating vessel, the result of subtracting KG from KM is the ______.
A.height of the metacenter
B.height of the righting arm
C.height of the center of buoyancy
D.metacentric height
第14题:
The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability
The point to which G may rise and still permit the vessel to possess positive stability
The sum of the center of buoyancy and the center of gravity
The transverse shift of the center of buoyancy as a vessel rolls
第15题:
about which the vessel lists and trims
which coincides with the center of buoyancy
which,in the absence of external forces,is always vertically aligned with the center of gravity
which is shown in the hydrostatic tables as VCB
第16题:
geometric center of the waterplane area
intersection of the vertical centerline and line of action of the buoyant force
center of gravity of the vessel corrected for free surface effects
geometric center of the displaced volume
第17题:
center of buoyancy
center of flotation
uncorrected height of the center of gravity of the vessel
center of gravity of the vessel corrected for free surface effects
第18题:
change, depending on the location of the LCG
increase
decrease
remain constant
第19题:
only when there is positive stability
only when there is negative stability
only when there is neutral stability
at all times
第20题:
aft perpendicular
center of buoyancy
keel
center of flotation
第21题:
about which the vessel lists and trims
which coincides with the center of buoyancy
which,in the absence of external forces,is always vertically aligned with the center of gravity
which is shown in the hydrostatic tables as VCB
第22题:
center of buoyancy
center of gravity
metacenter
center of flotation
第23题:
aboat which the vessel lists and trims
which coincides with the center of buoyancy
which, in the absence of external forces, is always vertically aligned with the center of gravity
which is shown in the hydrostatic tables as VCB