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单选题
What will NOT decrease the stability of a vessel?（）
A
Topside icing
B
Running with a following sea
C
Using 35% of the fuel in a full tank
D
Lowering a weight suspended by a boom onto the deck
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The amount of freeboard affects the ______.① amount of reserve buoyancy of a vessel ② range of stability of a vessel.A.① onlyB.② onlyC.Both ① and ②D.Neither ① nor ②
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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
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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
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As the displacement of a vessel increases,. the detrimental effect of free surface ______.A.increasesB.decreasesC.remains the sameD.may increase or decrease depending on the fineness of the vessel’s form
考题
GM is a measure of ______.① The initial stability of a vessel.② The rightingness of the vessel.A.① onlyB.② onlyC.Both ① and ②D.Neither ① nor ②
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单选题Your vessel was damaged and initially assumed a significant list and trim; however，further increase has been slow. Based on this data，what should you expect?（）A
The slowing is only temporary and the vessel will probably suddenly capsize or plunge from loss of stability due to change in the waterplane areaB
The vessel can probably be saved if further flooding can be stoppedC
The vessel will continue to slowly list and/or trim due to the free surface effect and free communication effectD
The vessel will suddenly flop to the same or greater angle of list on the other side and may capsize
考题
单选题Your vessel is damaged with no list，but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?（）A
KB increases，increasing BM and therefore GMB
KG increases due to the weight of the added water on deckC
BM decreases from loss of water plane and greater volumeD
There is no effect on transverse stability
考题
单选题During a stability test on a small passenger vessel（）.A
the vessel must be moored snuglyB
each tank must be partially full to show it does not leakC
all dunnage，tools，and extraneous items are securedD
water under vessel must be deep enough to prevent grounding
考题
单选题When considering a vessel’s stability，which spaces in a general cargo vessel are the best locations for the carriage of bulk grain? （）A
Deep tanksB
Lower holdsC
Lower holds at the ends of the vesselD
'Tween-decks
考题
单选题Which effect does speed through the water have on a vessel which is underway in shallow water （）.A
A decrease in the speed results in a decrease in steering response and maneuverabilityB
An increase in speed results in the stern sucking down lower than the BowC
An increase in speed results in the vessel rising on an even planeD
A decrease in speed results in the vessel sucking down on an even plane
考题
单选题As the displacement of a vessel increases, the detrimental effect of free surface（）.A
increasesB
decreasesC
remains the sameD
may increase or decrease depending on the fineness of the vessel's form
考题
单选题Your vessel has just finished bunkering and has a small list due to improper distribution of the fuel oil. This list will cause（）.A
a decrease in reserve buoyancyB
a decrease in the maximum draftC
the vessel to flop to port or starboardD
None of the above
考题
单选题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
单选题A common occurrence when a vessel is running into shallow water is that（）.A
the wake is less pronouncedB
the vessel is more responsive to the rudderC
squat will cause a decrease in bottom clearance and an increase in draftD
All of the above
考题
单选题Master must ascertain that deck loads are stowed in such a manner as（）.A
not to affect the vessel's stability and trimB
to affect the vessel's stabilityC
to affect the vessel's trimD
to affect the vessel's atability or trim
考题
单选题The principal danger from ice collecting on a vessel is the（）.A
decrease in capabilities of radarB
decrease in displacementC
adverse effect on trimD
loss of stability
考题
单选题Topside icing decreases vessel stability becauseit increases（）.A
displacementB
free surfaceC
draftD
KG
考题
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At all angles of inclination，the true measure of a vessel’s stability is the（）.A
metacentric heightB
displacementC
righting momentD
inclining moment
考题
单选题For a vessel with list,a decrease in GMT will cause the inclination to（）.A
stabilize at an angle of lollB
decreaseC
increaseD
remain constant
考题
单选题For a vessel with list，a decrease in GMT will cause the angle of inclination to（）.A
stabilize at an angle of lollB
decreaseC
increaseD
remain constant
考题
单选题What is the principal danger from the liquid in a half full tank onboard a vessel?（）A
Corrosion from the shifting liquidB
Rupturing of bulkheads from the shifting liquidC
Loss of stability from free surface effectD
Holing of the tank bottom from the weight of the shifting liquid
考题
单选题The effect of free surface on initial stability depends upon（）.A
the amount of liquid in the compartmentB
the dimensions of the liquid surface and the vessel's displacementC
only the length of the compartmentD
the vertical position of the liquid in the vessel
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The phrase “When built” in the Certificate of Vessel’s Nationality means（）.A
when was your vessel builtB
at what time is your vessel buildingC
when is your vessel builtD
at what time you built your vessel
考题
单选题In the spring of 1984, Continental experienced _____.A
a fast growth period.B
a stability period.C
a runD
an oil price decrease
考题
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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