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A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is ______.
A.positive
B.negative
C.zero
D.vertical
参考答案
更多 “ A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is ______.A.positiveB.negativeC.zeroD.vertical ” 相关考题
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In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().A.heel until the angle of loll is reachedB.list until the center of buoyancy is aligned vertically with the center of gravityC.trim to the side opposite TCG until all moments are equalD.decrease draft at the center of flotation
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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
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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
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For a floating vessel, the center of flotation is the point in the waterplane ______.A.about which the vessel lists and trimsB.which coincides with the center of buoyancyC.which, in the absence of external forces, is always vertically aligned with the center of gravityD.which is shown in the hydrostatic tables as VCB
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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
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If the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase in the ______.A.metacentric heightB.righting armC.righting momentD.vertical moments
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In small angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the ______.A.center of gravityB.center of flotationC.metacenterD.metacentric height
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In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the ______.A.center of gravityB.metacenterC.center of flotationD.Keel
考题
单选题A ship is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.A
positiveB
negativeC
zeroD
vertical
考题
单选题At an angle of loll，the righting arm (GZ) is（）.A
maximumB
negativeC
positive，but reflexiveD
zero
考题
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（）.A
righting momentB
vertical momentC
longitudinal momentD
transverse moment
考题
单选题In the absence of external forces，the center of buoyancy of an inclined vessel is vertically aligned directly below the（）.A
center of gravityB
amidships stationC
center of flotationD
geometric center of the waterplane area
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单选题The center of flotation of a vessel is the point in the waterplane（）.A
about which the vessel lists and trimsB
which coincides with the center of buoyancyC
which，in the absence of external forces，is always vertically aligned with the center of gravityD
which is shown in the hydrostatic tables as VCB
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
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单选题The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）A
It forces the bow away from the bankB
It forces the stern away from the bankC
It forces the entire vessel away from the bankD
It heels the vessel toward the bank
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单选题The angle of maximum righting arm corresponds approximatelyto the angle of（）.A
deck edge immersionB
the load lineC
downfloodingD
loll
考题
单选题A vessel is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.A
positiveB
negativeC
zeroD
vertical
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单选题In small-angle stability，when external forces exist，the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.A
center of gravityB
center of flotationC
metacenterD
metacentric height
考题
单选题In the presence of external forces，the center of buoyancy of an inclined vessel is vertically aligned with the（）.A
center of gravityB
metacenterC
center of flotationD
keel
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单选题In snall angle stability, when external forces exist , the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the（）.A
center of gravityB
center of flotationC
metacenterD
metacentric height
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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
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单选题The tendency of a vessel to return to its original trim after being inclined by an external force is（）.A
equilibriumB
buoyancyC
transverse stabilityD
longitudinal stability
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In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to（）.A
heel until the angle of loll is reachedB
list until the center of buoyancy is aligned vertically with the center of gravityC
trim to the side opposite TCG until all moments are equalD
decrease draft at the center of flotation
考题
单选题For a floating vessel，the center of flotation is the point in the waterplane（）.A
about which the vessel lists and trimsB
which coincides with the center of buoyancyC
which，in the absence of external forces，is always vertically aligned with the center of gravityD
which is shown in the hydrostatic tables as VCB
考题
单选题For a floating vessel,the center of the floating is the point in the waterpiane.（）.A
aboat which the vessel lists and trimsB
which coincides with the center of buoyancyC
which, in the absence of external forces, is always vertically aligned with the center of gravityD
which is shown in the hydrostatic tables as VCB
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单选题If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.A
increase the righting momentB
cause an increase in the righting armC
bring the vessel to an upright equilibrium positionD
cause the vessel to flop to a greater angle
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