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单选题
Jettisoning weight from topside（）.
A
return the vesselto an even keel
B
reduces free surface effect
C
lowers the center of gravity
D
raises the center of buoyancy
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单选题Which of the following will increase the height of the center of buoyancy for your vessel?（）.A
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考题
单选题Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken FIRST in regard to the vessel’s stability?（）.A
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单选题You must shift a weight from the upper tween deck to the lower hold. This shift will（）.A
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单选题Which of the following will increase the positive stability of your vessel?（）.A
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单选题If you carry packaged hazardous cargoes on a break bulk vessel bound foreign，you must（）.A
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单选题The percent change in the weight from age 2 months to age 10 months is approximately ______ the percent change in the weight from age 10 months to age 19 months.A
equal toB
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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
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考题
单选题If your vessel is aground at the bow，it would be preferable that any weight removals be made from the（）.A
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单选题A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?（）A
Shift weight to the bowB
Shift weight to the center of the boatC
Shift weight to the sternD
Throw excess weight overboard
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单选题What can we infer from the conversation?A
Losing weight should be gradual.B
Losing weight is impossible.C
Losing weight will lead to a cheaper life.
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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
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the total weight in air of the casing string is removed from the shipB
the hook load (weight of the casing string) is removed from the shipC
the weight of the casing inside the riser is removed from the shipD
the weight of the casing string added to the weight of the fill-up mud is removed from the ship
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